Homework Help: Science: Scientists

Recent Homework Questions About Scientists

chem
A scientist wants to make a solution of potassium phosphate, K3PO4 for a lab experiment. How many grams of K3PO4 will be needed to produce 575ml of a solution that has a concentration of K+ ions of 1.4M.
Tuesday, May 10, 2011 at 11:04am

english
(I need to complete an out line with a introduction and a thesis sentence or statement but I can find what I am looking for here is the article) This question expresses a commonly held (by women) negative stereotype about guys of the male gender, which is that they cannot find...
Saturday, May 7, 2011 at 2:50pm

biology
14 points Save A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and no new sources of CO2 are available. After the experiment the scientist extracts all of the starch produced and analyses the Carbon ...
Saturday, May 7, 2011 at 9:01am

science - biology
A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and no new sources of CO2 are available. After the experiment the scientist extracts all of the starch produced and analyses the Carbon present. She ...
Saturday, May 7, 2011 at 8:57am

english
ndicate whether a sentence is a run-on or correct. If the sentence is a run-on, correct it using your knowledge of coordination and subordination. 1. My mother is very politically conservative; she’s written in King George III for president in the last two elections. 2. ...
Friday, April 29, 2011 at 9:22pm

scientist
how can u help me with terrestrial and aquATIC BIOMES
Monday, April 25, 2011 at 10:12pm

reading
what this the answer for this question We can conclude from paragraph a)theories are often revised. b)theories are never modified. c)theories are always changed. d)theories are mostly illogical. The concept that the Earth is a sphere can be traced back 2,500 years to the Greek...
Tuesday, April 19, 2011 at 5:56pm

scientist
what is ensebles?
Saturday, April 16, 2011 at 6:47am

english
Which element of a short story would be most important to a story about a mad scientist stealing a secret weapon?
Wednesday, April 6, 2011 at 7:18pm

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 250 mL of a solution that has a concentration of \rm Na^+ ions of 0.600 \it M?
Wednesday, March 30, 2011 at 6:47pm

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 500 mL of a solution that has a concentration of Na+ ions of 0.700 M
Sunday, March 27, 2011 at 5:25pm

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 450 mL of a solution that has a concentration of Na+ ions of 0.700 M
Sunday, March 27, 2011 at 4:59pm

English
I have some doubts on how to rephrase a few sentences on Dr. Jekyll and Mr Hyde. I hope you can have a look at them. 1)The story is told from the point of view of Mr. Utterson, a London lawyer and friend to the brilliant scientist Dr Henry Jekyll. 2) After relating a ...
Monday, March 14, 2011 at 6:21pm

Grammar
My aunt works at Woods Hole as a scientist. What are the nouns in the sentence? Is is aunt, Woods hole and scientist?
Wednesday, March 9, 2011 at 6:27pm

English
Can you help with writing a paragraph using all these words? Scientist, encourages, limitations, robotics, asthma, and fit. All the words must be in the paragraph.
Wednesday, March 2, 2011 at 1:23pm

college algebra (maths 112)
To conduct a new experiment, a scientist needs a 23% salt water solution. How much of a 13% solution must be mixed with 45 quarts of a 32% solution to get the proper solution?
Thursday, February 24, 2011 at 8:01pm

scientist
Scientists performed an experiment to determine whether there is a connection between learning ability and food. They took two groups of 20 mice each, all from the same purebred strain. The mice were deprived of food for 3 days and then given a standard learning session in ...
Thursday, February 24, 2011 at 7:43pm

math 12
In a population of 328 snakes at a zoo, it is known that 162 are female. A scientist selected 50 snakes at random to run some tests. What is the probability that the scientist will select at least 30 female snakes?
Sunday, January 23, 2011 at 11:07am

scientist
hi i am doing a science fair project.The project is testing memory. The problem is i am not sure how to give the memory test. the article that i found says to give the people that im doing the project on single digit numbers then double digits, but im not sure how to construct...
Thursday, January 13, 2011 at 1:01pm

math
What were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks?
Wednesday, January 12, 2011 at 8:05pm

main ideas study unit
scientist generally agree that earth is getting warmer due to what call the green house effectt. a greenhouse used for plant stay warm because sunlightand heat come through the glass roof are mostly trapped by the grass something like that happen on earth. the atmosphere act ...
Wednesday, January 12, 2011 at 12:38pm

English 1
Underline the correct pronoun in parentheses. 1. Many so-called Founding Fathers are famous one or two of (his, his or her, their) accomplishments, but anyone who knows (his, his or her, their) history knows that Franklin is known for many things, including (his, her, his or ...
Wednesday, January 5, 2011 at 7:16am

English 1
1. Many so-called Founding Fathers are famous one or two of (his, his or her, their) accomplishments, but anyone who knows (his, his or her, their) history knows that Franklin is known for many things, including (his, her, his or her, their) inventions. their, his or her, ...
Tuesday, January 4, 2011 at 11:49am

biology /check please
Use each terms below just once to complete the passage. (1)experimental results ,(2) experiment(s), (3)hypotesis ,(4) laws ,(5) scientific journals , (6)theory ,(7) valid ,(8) verify. When (experimental) results are reported in (scientific journals) other scientits may try to...
Thursday, December 23, 2010 at 2:02am

computer
Synex industries are a company based in Sri Lanka which is excels in nuclear waste management. The company profile is given below. Metric Values Company Name Synex Industries Total Number of Employees 1027 Nationality of Employees Russian, Chinese, German and Sri Lankan Levels...
Thursday, December 23, 2010 at 1:16am

Science (Energy)
Ok i have done 2 experiments (See below) the question i need help with is i need to explain the difference for the two combustions and i just dont know, please help me and thankyou for your help. The Combustion Of Marshmallows Aim To investigate how much energy is transferred ...
Friday, December 17, 2010 at 8:19am

Bio
As a scientist, you are assigned the task of finding out if the disappearance of a particular fish species from a lake in the Northwestern United States is due to acid rain resulting from industrial air pollution. Identify alternative hypotheses that could explain the ...
Wednesday, December 8, 2010 at 3:22pm

Science
how could measuring the orbit of a comet help scientist understand when it will next be visible from earth
Thursday, December 2, 2010 at 11:39pm

math
what were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks
Tuesday, November 30, 2010 at 5:17pm

English
Can you please check these sentences on Shelleys's Frankenstein? Thank you very much for your help. 1) The monster can be compared to Rousseau’s primitive man, since he comes to life free from social constrictions and unspoilt by civilization. 2)However, the monster ...
Monday, November 29, 2010 at 10:20am

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 550 mL of a solution that has a concentration of Na^+ ions of 0.500 it M?
Thursday, November 11, 2010 at 8:58pm

biology
wherever in the universe life exists, some of those life forms must be colored. why would a scientist make this statement.
Monday, November 8, 2010 at 11:30pm

AP Chem
Pretend you are a nuclear scientist and try to answer this bonus question. Uranium -235 (235U) is used as a fuel in nuclear power plants. However, natural uranium contains mostly U -238 (238U) and very little uranium -235. Therefore, it is necessary that the natural uranium be...
Monday, November 1, 2010 at 1:04am

11th grade AP Chemistry
Pretend you are a nuclear scientist and try to answer this bonus question. Uranium -235 (235U) is used as a fuel in nuclear power plants. However, natural uranium contains mostly U -238 (238U) and very little uranium -235. Therefore, it is necessary that the natural uranium be...
Saturday, October 30, 2010 at 3:26pm

psychology
It is the proper role of a psychological research scientist to: question data. make safe predictions. keep research methods accessible only to those involved in the research. avoid making predictions.
Saturday, October 30, 2010 at 2:00pm

statistics
there are 100 males and 100 females in a club. 80 of the men and 10 of the women are scientists. what is the probability one person is chosen to interview p(female scientist)
Sunday, October 17, 2010 at 7:45pm

science
why can a scientist use boiling point or melting point to identify an unknow substance?
Monday, October 11, 2010 at 5:40pm

Chemistry
A scientist has 0.46 mL of a solution. How would she convert this volume to microliters?
Sunday, October 10, 2010 at 2:12pm

Science
How sediments,fossil, and ice core record Earth's geologic history? It record Earth's geologic history by giving scientist an idea of when certain climates or events happen.(Is this a good answer?) Thanks
Wednesday, October 6, 2010 at 7:20am

10th grade
scientist needs 5L of 12% solution. She has on 10% and 17% solution. How much of each does
Friday, October 1, 2010 at 6:36pm

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, , for a laboratory experiment. How many grams of will be needed to produce 400 of a solution that has a concentration of ions of 1.20 ?
Wednesday, September 29, 2010 at 6:45pm

high school
How does a scientist reduce the frequency of human error and minimize a lack of accuracy? a.Take repeated measurements. b.Use the same method of measurement. c.Maintain instruments in good working order. d.all of the above
Tuesday, September 28, 2010 at 12:25pm

science
how do scientist often name ecosystem?
Monday, September 27, 2010 at 8:52pm

science
what is an example of a question a scientist could test and how would you test it?
Monday, September 27, 2010 at 8:14pm

Science
Which of the following is NOT a physical property that a scientist might use to describe gold?
Saturday, September 25, 2010 at 10:17am

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 575 mL of a solution that has a concentration of \rm Na^+ ions of 1.00 \it M?
Sunday, September 19, 2010 at 8:57pm

chemistry
A scientist wants to make a solution of tribasic sodium phosphate, \rm Na_3PO_4, for a laboratory experiment. How many grams of \rm Na_3PO_4 will be needed to produce 575 mL of a solution that has a concentration of \rm Na^+ ions of 1.00 \it M?
Sunday, September 19, 2010 at 8:45pm

science
how might scientist from the 3 main branches of science interact with their study of the flood, its effect, and how future flooding might be controlled.
Saturday, September 11, 2010 at 9:17pm

English
I need help with these last few questions. I dont know if they are correct,run-on or comma splice. 1. Mary Lou decided not to eat the alphabet soup the letters spelled out" botulism." 2.When English scientist James Smithson died in 1829, he willed his entire fortune ...
Sunday, September 5, 2010 at 7:39pm

Science
In any good experimen, the scientist needs to the hypothesis
Thursday, September 2, 2010 at 7:16pm

science
How roentgen's training as a scientist affected the way he responded to his discovery?
Monday, August 30, 2010 at 6:20pm

science
conducting -------------is what a scientist does to reduce effegts of chance errors
Wednesday, August 25, 2010 at 8:03pm

scientist
a person who "does" science?
Wednesday, August 25, 2010 at 5:42pm

scientist
scientists do their experimentl tests more than onceto reduce the chance of error is called conducting-----?
Wednesday, August 25, 2010 at 5:32pm

Physics
A scientist has devised a new method of isolating individual particles. He claims that his method enables him to detect simultaneously the position of a particle along an axis with a standard deviation of 0.12 nm and its momentum component along the axis with a standard ...
Monday, August 16, 2010 at 11:56am

trigo
Scientist estimate the heights of features on the moon by measuring the lenghts of the shadows they cast on the moon's surface. From a photograph, you find that the shadow cast on the inside of a crater by its rim is 325 meters long. At the time the photograph was taken, ...
Monday, August 2, 2010 at 6:38am

chemistry
This is what it says on his website. Look at the posts from 06/28/10 to 07/07/10, but specifically look at 07/07/10. Our test that we took was our midterm. Sorry to keep bothering you. I just want to prove that I am not taking a take home exam...
Wednesday, July 7, 2010 at 11:53pm

Chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na3PO4, for a laboratory experiment. How many grams of Na3PO4 will be needed to produce 750 mL of a solution that has a concentration of Na^+ ions of 1.3 M? Express your answer numerically in grams.
Wednesday, July 7, 2010 at 8:33pm

math
A scientist wants to combine two metal alloys into 20 kg of a third alloy which is 60% aluminum. He plans to use one alloy with 45% aluminum content, and a second alloy with 70% aluminum content. How many kilograms of each alloy must be combined?
Monday, July 5, 2010 at 11:59pm

biology
the observations that led to the formation of the cell theory occured whithin a 17-year period.why do you think that more than one scientist made critical observations about cells within this period?
Wednesday, June 30, 2010 at 2:10am

science
how making inferences help the scientist in their discoveries?
Tuesday, June 29, 2010 at 7:08am

biology
Imagine that your a scientist digging for fossils on a low-lying grassland. Many of the fossil you dig up seem to belong to creatures adapted to live in the mountains. Million of years ago, what do dou think the landscape looked like in the region where you are diging?
Monday, June 14, 2010 at 1:49pm

Science
Who was regarded as a mad scientist?
Tuesday, June 8, 2010 at 1:40pm

Biology
Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species is eliminated? If you were a scientist you could do an experiment to answer your question. ...
Sunday, May 2, 2010 at 8:14am

scientist
is a snail a mammal ,birds,amphibibians,reptile,fish,invertebrates
Tuesday, April 20, 2010 at 6:24pm

English
Hello! I will type 2 exercises from the lesson I am teaching on Wednesday-english as a foreign language - 8th graders ( it will be graded) I need you to help me with some ideas. It says: LEAD- IN: A Here is a list of some natural sciences: BIOLOGY CHEMISTRY PHYSICS BOTANY ...
Monday, April 12, 2010 at 11:13am

science
Ions are electrically charged particles that are formed when certain compounds are dissolved in water. These solutions will conduct electricity. The Swedish scientist Svante Arrhenius coined the term ion (which means wanderer) to explain why solutions of electrolytes will ...
Thursday, April 8, 2010 at 12:33am

scientist
How did leeuwenhoek's work influence us today?
Sunday, April 4, 2010 at 4:11pm

chemistry
to increase therate of solvation of carbon dioxide, what must a scientist consider? should they decrease the temp and increase the pressure, or vice versa?
Wednesday, March 31, 2010 at 7:40pm

biology
a scientist finds no evidence that species in a community are competing and concludes that competition never played a role in the development of this community. is this conclusion valid?
Monday, March 29, 2010 at 4:38pm

scientist
Which of the following factors does not help predict future oil production?
Wednesday, March 24, 2010 at 1:19pm

Science - Research
I am doing a review of the benefits and limitations to using genetic methods to research humans. I think the limitations will come from the fact that you need a blood sample. I'm not sure how to find about how much blood the scientist takes from the person or who is not ...
Sunday, March 21, 2010 at 7:18pm

chemistry
a scientist wants to make a solution of tribasic sodium phosphate ,Na3PO4, for an experiment. how many grams of Na3PO4 will be needed to produce 750 mL of a solution that has a concentration of Na+ ions of 1.30M
Sunday, March 14, 2010 at 6:09pm

arts high enviromental science
describe the four properties that scientist use to predict population size
Tuesday, March 9, 2010 at 7:27pm

english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and the artist as ...
Wednesday, March 3, 2010 at 7:07pm

writing
Can you help me correct these sentences? 1.She wants to become an environmental scientist she is especially interested in marine life. 2.If she can get a scholarship she would like to spend her senior year in New Zealand. 3.The Great Coral Reef almost cicles New Zealand it has...
Tuesday, February 23, 2010 at 7:43pm

Biology
41. A group calling itself "Virus Alive!" believes that viruses are living organisms. They have petitioned the scientific community to include viruses in the biological classification system. You are a scientist assigned to explain to this group that, although they ...
Saturday, February 20, 2010 at 5:04pm

Chemistry
Sally Scientist is trying to determine Avogadro's number using a procedure analogous to that in Experiment 4. She fills a watchglass with diameter 11.9 cm with water and is trying to create a monolayer of stearic acid on the top of the water. What is the area of the water ...
Sunday, February 7, 2010 at 3:54pm

SCIENCE
how did the bicycle help other scientist discover or invent things
Saturday, February 6, 2010 at 6:55am

Biology
Why do some scientist think that areas protected from the atmosphere might have favored the production of organic compounds on early life?
Wednesday, February 3, 2010 at 9:54pm

Science/History
On my previous post at 3.22pm (& 3.29pm) pm I asked what famous scientists did Isaac Newton work with. Unfortnately no-one has answered and I have been unable to find a website that tells me. I have come across Edmund Halley name linked to Newton's would he be a scientist ...
Wednesday, February 3, 2010 at 5:27pm

algebra
What were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks ?
Wednesday, January 27, 2010 at 7:48pm

Environmental Science
29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large mats of algae to bloom in fresh water c. are a result of power plants and other industrial activity d. decrease ...
Wednesday, January 27, 2010 at 5:48pm

Comp150.
What kind of supporting paragraphs would go with the following topic?Scientist have discovered human remanis thought to be more then 2 million years older then Lucy Explain why
Sunday, January 24, 2010 at 12:41pm

scientist
EXPLAIN WHAT HAPPENS TO A ROCK AFTER THEIR ELASTIC LIMIT IS PASSED.
Wednesday, January 20, 2010 at 12:22am

biology
Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species is eliminated? If you were a scientist you could do an experiment to answer your question. ...
Thursday, January 7, 2010 at 5:07pm

Physics
I'm having trouble with this question. Some __ objects emit no visible light but are known through __ and radio images; satellite observations __ Earth's atmosphere help scientist study space at wavelengths that do not reach Earth's surface. If you can answer it, I...
Friday, January 1, 2010 at 7:11am

enhancing children's self esteem
I need a little help.2.according to many social scientist,adolescence ends for most people. A.when the physical and intellectual changes of puberty have occurred B.by the time the person reaches age 20. C.when they're most comfortable with and have a clear understanding of...
Tuesday, December 15, 2009 at 6:11pm

science
show the steps a scientist would take to classify a newly discovered animal
Thursday, December 3, 2009 at 7:23pm

sat writing
With one of the most successful African American business in history, the Motown Record Corporation was founded in 1959in Detroit by Berry Gordy,Jr. A.With one B.It was one C.Being one D.One E.As one why can't i choose E? Assignment; does planning interfere creativity? ...
Tuesday, November 24, 2009 at 8:46am

9th grade
each question is 10 points each, and i dont get 4 questions. I am in Earth Science and in 9th grade i would appreciate it if some one would help me. THANKS ! Where have earthquakes occurred most frequently during the last one hundred years? 1) in the polar regions 2) in the ...
Monday, November 23, 2009 at 8:50pm

sat
With one of the most successful African American business in history, the Motown Record Corporation was founded in 1959in Detroit by Berry Gordy,Jr. A.With one B.It was one C.Being one D.One E.As one why can't i choose E? Assignment; does planning interfere creativity? ...
Sunday, November 22, 2009 at 9:43am

sat essay
assignment:should people always prefer new things, ideas, or values to those of the past? Should people always prefer new thing to the old? Many people argue that we should not accept the new easily and should sick to the old. As far as I am concerned, we must always try our ...
Saturday, November 21, 2009 at 9:00am

Repost- Biology
A scientist separates plant pigments from leaf, root, and stem samples by paper chromatography. All the leaf chromatographs include yellow green and blue green spots but none of the root and only a few of the stem chromatographs have these green spots. Many of the samples have...
Sunday, November 1, 2009 at 6:05pm

Science
Respected teachers, I have got assignment that i have to write about 7 scientists i am in class 6 and we have to write 1 page for 1 scientist we have to write about their life style and what they invented and how they were great and i know names of some scientists .... Albert ...
Sunday, November 1, 2009 at 5:06am

Biology
A scientist separates plant pigments from leaf, root, and stem samples by paper chromatography. All the leaf chromatographs include yellow green and blue green spots but none of the root and only a few of the stem chromatographs have these green spots. Many of the samples have...
Sunday, November 1, 2009 at 1:41am

scientist
A techer pushed a 98 newton desk across a floor for a distance of 5 meters she exerted a horizontal force of 20 newtons. how much work was done?
Sunday, October 25, 2009 at 1:49am

scientist
Mrs. leuenberger ran the same marathon but since her husband was hunting and she couldnt find a babysitter she had to carry her two daughters in her arms they weigh 40pounds and 55pounds Mrs Leuenberger weighs 145 pound (but you didnt hear that from me)How much work and power ...
Sunday, October 25, 2009 at 1:45am

scientist
Mr.Becks gigantic gas- guzzling exhaust spewing urban assault vehicle suburban weighs 10000 pounds it takes Mr Beck 2 minutes to drive 1.5 kilometers to west valley fitness so he can ride the stationary exercise bike for a half hour How much work and power did the suburban do...
Sunday, October 25, 2009 at 1:35am

science
on what website do you find the biography of a latin american inventor or scientist?
Tuesday, October 20, 2009 at 10:26pm

scientist
how do scientists keep ice fossils frozen?
Tuesday, October 20, 2009 at 4:31pm

AP BIO
a scientist plans to use a microtome to cut sections of a particular type of tissue so then that typical cell will be cut into about 20 sections. to help him make careful observation of internal cell structures, he considers staining the sections with a dye. which of the ...
Monday, October 19, 2009 at 7:19pm

scientist
classify properties as chemical or physical for gold?
Sunday, October 18, 2009 at 10:24pm

scientist
what r the 6 step of the scientific method
Monday, October 12, 2009 at 8:51pm

Biology
1. A famous scientist once said that wherever in the universe life exists, some of those life-forms must be colored. Why would the scientist make such a statement? 2. One of the accessory pigments used in photosynthesis is beta-carotene, a carotenoid found in high ...
Monday, October 12, 2009 at 12:39pm

science
I have two questions. I'm doing a crossword puzzle and this is the question. "sometimes scientist make a mistake or ___and need to do the experiment again." The answer is 5 letters and the second to last letter is an O. The second question is "After the ...
Saturday, October 10, 2009 at 10:59am

scientist
Scientists do their experimental tests more than once, so they can reduce the effects of chance errors. This is called conducting______________. I need help with this one.
Tuesday, October 6, 2009 at 10:51pm

science 4th grade
why do scientist predict?
Sunday, October 4, 2009 at 7:17pm

Chemistry
A scientist wants to make a solution of tribasic sodium phosphate, Na_3PO_4, for a laboratory experiment. How many grams of Na_3PO_4 will be needed to produce 375 mL of a solution that has a concentration of Na^+ ions of 1.10M? I tried multiplying .375 L by 1.10 M to get the ...
Monday, September 28, 2009 at 5:01pm

4th grade science
how do scientist preserve fossils frozen in ice
Tuesday, September 22, 2009 at 6:23pm

science
1) what are five skills scientist use to learn about the world? 2) what are inferences based on? 3) why do scientist make models? ¢¾¢¾plz, plz help me.... i totally need help on this¢¾¢¾
Monday, September 21, 2009 at 7:39pm

scientist
The shark can accelerate to a speed of 32.0 km/h in a few seconds. Assume that it takes a shark 1.5 s to accelerate uniformly from 2.8 km/h to 32.0 km/h. What is the magnitude of the shark's acceleration?
Thursday, September 17, 2009 at 6:25pm

scientist
suppose a polar bear running with an initial speed of 4.0 m/s accelerates uniformly for 18s. what is the bear's maximum speed if the bear travels 135m during the 18s of acceleration? Give the answer in both meters per second and kilometers per hour.
Wednesday, September 16, 2009 at 5:17pm

science
Scientist do experimental tests more than once so they can reduce the chance of errors. This is called conducting what?
Tuesday, September 8, 2009 at 10:50pm

scientist
In 1976 a powerful earthquake hit the city of Tangshan, China. Scientists had failed to predict the earthquake. If people had paid attention to the unusual animal behavior that preceded the earthquake, however, they would have known it was coming. Animals can often sense an ...
Friday, September 4, 2009 at 9:49pm

science
When scientist do their experimental test more than once so they can reduce the effects of chance errors what is this called in one word?
Wednesday, September 2, 2009 at 8:34pm

6th grade
How does a scientist choose which type of investigation to use?
Tuesday, September 1, 2009 at 7:43pm

science
scientist do test more than once to reduce chance errors which is called conducting what
Monday, August 31, 2009 at 5:27pm

Biology
Read Scientific Inquiry, Controlled Experiments Then and Now, pages 6-7 of your textbook. Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species ...
Sunday, August 30, 2009 at 10:32pm

biology
Read Scientific Inquiry, Controlled Experiments Then and Now, pages 6-7 of your textbook. Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species ...
Friday, August 28, 2009 at 5:07pm

Intro to Psychiology 1
It is the proper role of a psychological research scientist to: A) Question data B) make safe predictions C) Keep research methods accessible only to those involved in the research D) Avoid making predictions. I know it's not (B) and i dont think it's (D) either. I'...
Tuesday, August 25, 2009 at 3:30pm

scientist
Scientists do their experimental tests more than once so they can reduce the effects of chance errors this called conducting__________?
Monday, August 24, 2009 at 3:09pm

chemistry
A scientist has 0.46 mL of a solution. How would she convert this volume to microliters?
Monday, August 3, 2009 at 8:25pm

10th grade English
Well, it is not quite English.. But it is an essay on my science project. I was wondering if I could get some help on grammar or awkward phrases. Please fix any mistakes in it ASAP.. Asthma, a multi-factorial disease, is caused by family heredity, which is, passed on from one ...
Thursday, July 16, 2009 at 5:51am

scientist
who was the greatest 20th century scientist?
Wednesday, July 15, 2009 at 2:28am

scientist
What element, found in all plants and animals, is used by scientists to determine approximate dates for an artifact’s age?
Friday, July 10, 2009 at 4:18pm

elementary
how becoming a scientist
Sunday, May 10, 2009 at 8:46pm

Grammar
The last four grammar questions of the day [I think]- idenify the word that the phrase in CAPS modifies: 1.A scientist WHO FINDS ONE NEW SPECIES is very happy Ans- scientist 2.WHEN SOMEONE FINDS SEVERAL NEW SPECIES AT ONCE, that is rare indeed Ans- rare?? 3.Only a few plants, ...
Friday, May 8, 2009 at 8:31pm

Math riddle
What is one problem That Rocket Scientist, Dr. Awkward, never has?
Sunday, May 3, 2009 at 11:26pm

English
I am having trouble writing a topical outline and expanding it to a sentence for this paper: Marie Curie is best known as the discoverer of the radioactive elements polonium and radium, and is the first person to earn the honor of two Nobel prizes. Her work not only influenced...
Sunday, May 3, 2009 at 10:11pm

Science
I have to do a project with a science related career (that doesn't necessarily mean a scientist, but someone who uses science frequently). What do you call a scientist who studies the science of music? I've google this but I couldn't find any results, but I know ...
Friday, April 24, 2009 at 8:18pm

Science
A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules within a substance. What instrument would be best for a scientist to use?
Saturday, April 11, 2009 at 3:50pm

Science help
India : Duck Australia : Duck South Africa : Duck, Goose Africa : Duck Cat Antarctica: Duck Goose cat If scientist wanted to argue that South Africa, Africa, and Antarctica was once connected, which animals would they use to determine that? Would it be just Goose and Cat? ...
Wednesday, April 1, 2009 at 9:15pm

science
India : Duck Australia : Duck South Africa : Duck, Goose Africa : Duck Cat Antarctica: Duck Goose If scientist wanted to argue that South Africa, Africa, and Antarctica was once connected, which animals would they use to determine that? Would it be just Goose and Cat? Since ...
Wednesday, April 1, 2009 at 5:59pm

science
A scientist wishes to determine how effective a vaccine is in protecting rats against a contagious disease. Which experimental procedure should the scientist use to determine the vaccines effectiveness?
Monday, March 9, 2009 at 6:18pm

fb
what were the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks
Sunday, March 1, 2009 at 8:05pm

algebra I
what where the headlines after a mad scientist trained two eggs to attack a candy store with sharp sticks Pg 161-162
Wednesday, February 18, 2009 at 9:03pm

genology
How does a scientist tell if a valcanoe is active or inactive and what is the criteria
Saturday, February 14, 2009 at 11:12pm

Pages: <<Prev | 1 | 2 | 3 | Next>>

Post a New Question | Current Questions

Homework Help: Science

For Further Reading