Monday
December 22, 2014

Homework Help: Science: Scientists

Recent Homework Questions About Scientists

Post a New Question | Current Questions

math
A scientist is mixing a chemical solution for an experiment. The solution contains 3/8oz of chemical and 1/6 ounce saline solution. What is the rate of chemical to saline?
Thursday, December 18, 2014 at 7:10pm

biology
Explain how a scientist would use DNA or protien sequences taken from three different organisms to create a cladogram
Wednesday, December 17, 2014 at 7:21pm

biology
Explain how a scientist would use DNA or protien sequences taken from three different organisms to create a cladogram?
Wednesday, December 17, 2014 at 12:43pm

Science Help!!!!
To solve the problem of a polluted stream a scientist traced where the pollution was coming from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of (blank) pollution ...
Monday, December 15, 2014 at 4:01pm

science
By studing rock layer scientist can learn about changes in earth formation and climate. True or false. Is the anser true
Wednesday, December 10, 2014 at 6:38pm

Science
A famous scientist once said that wherever in the universe life exists. Some of those life-forms must be colored. Why would scientist make such a statement?
Wednesday, November 12, 2014 at 2:12pm

English
The narrator of My Forbidden Face describes a cartoon of the scientists perplexed by the germ they are studying, The Taliban, in order to a)emphasize her confusion with the spread of all the new rules. b)Imply that the leaders are sick with a virus that cannot be cured. c)show...
Tuesday, November 11, 2014 at 8:57pm

English
The narrator of My Forbidden Face describes a cartoon of the scientists perplexed by the germ they are studying, The Taliban, in order to a)emphasize her confusion with the spread of all the new rules. b)Imply that the leaders are sick with a virus that cannot be cured. c)show...
Tuesday, November 11, 2014 at 8:57pm

Science
A scientist is studying a plant species in which the flower color genes are codominant. The scientist crosses a plant with red flowers and a plants with white flowers. The offspring would most likely have... A. Red flowers B. White flowers C. Pink flowers D. Red flowers with ...
Tuesday, November 11, 2014 at 5:54pm

Life sciences
What are the biological terms of the following 1.finger-like outgrowths of the epidermir roots 2. scientist who specialise in the study of the annual rings of trees 3. the membrane around the vacuole 4. the building blocks of protein
Monday, November 10, 2014 at 2:25pm

Science
A scientist is studying a plant species in which the flower color genes are codominant. The scientist crosses a plant with red flowers and a plant with white flowers. The offspring will most likely have A.red flowers B.white flowers C.pink flowers D.red flowers with white ...
Thursday, November 6, 2014 at 12:27pm

Biology
The scientist analyzes the insulin molecules, which are proteins, of three different species, A, B, and C. The insulin from A is different from B in six ways and from C in three ways. The insulin from B is different from C in two ways. Which two species appear to be most ...
Monday, November 3, 2014 at 5:57pm

English
The contestants in the quiz show sat wth we,us audience members. I think us because it is an object? For we, us scientist, the discovery of a new planet would be exciting. I think us?
Monday, November 3, 2014 at 5:22pm

chemistry - DrBob?
Hi! Can you tell me if I chose the right options for my chemistry homework? My answers are at the bottom. 1. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond 2. When an atom ...
Sunday, November 2, 2014 at 6:42pm

Chemistry
Hi! Can you tell me if I chose the right options for my chemistry homework? My answers are at the bottom. 1. Electrostatic interaction is important for which type of bond? A. ionic bond B. triple covalent bond C. single covalent bond D. double covalent bond 2. When an atom ...
Sunday, November 2, 2014 at 5:11pm

scientist
I need 10 example objects that use energy in my house... What are they? Also can you help me?!!!!!!
Wednesday, October 29, 2014 at 7:58pm

physics
About the years 214-212 BC, the Greek philosopher and scientist Aρχιμηδ ​51;ζ is said to have repelled a Roman attack with a "death-ray" concave mirror, using sunlight to set the approaching fleet on fire. Assume an early ...
Friday, October 24, 2014 at 1:18pm

Science
A scientist is studying a plant species in which the flower color genes are codominant. The scientist crosses a plant with red flowers and a plant with white flowers. The offspring will most likely have A. red flowers B. white flowers C. pink flowers D. red flowers with white ...
Wednesday, October 15, 2014 at 5:07pm

science
3.If a gap in the fossil record exists between ancient and modern forms of a species, which of the following is the most appropriate conclusion? A. The gap indicates that gradualism must have occurred for the species to evolve from ancient to modern form.*** B. The gap ...
Thursday, October 9, 2014 at 10:00am

Please help science
A scientist observes that termites are fed a certain antibiotic die a starvation after a few days. The scientist also notices that certain protists that live inside the termites guy are affected by the antibiotic in a peculiar way: although the protists continue to thrive , ...
Tuesday, October 7, 2014 at 10:42am

Science urgent help
A scientist observes that termites are fed a certain antibiotic die a starvation after a few days. The scientist also notices that certain protists that live inside the termites guy are affected by the antibiotic in a peculiar way: although the protists continue to thrive , ...
Tuesday, October 7, 2014 at 1:23am

Earth Science - Please Check 4 Answers
Please help me with the following questions: 2. Which type of information is best represented by a chart? A. the sequence of chemical reactions in photosynthesis B. the percentage composition of gases in car exhaust C. the rate of carbon dioxide production during exercise D. ...
Thursday, October 2, 2014 at 7:12pm

science
1) Which of the following is a valid reason why a scientist might reject a scientific theory? (1point) Some people disagree with it. It covers too broad a topic. New evidence contradicts it.*** It is too old. 2) A scientific hypothesis must be (1point) Correct Able to be ...
Wednesday, October 1, 2014 at 2:11pm

SCIENCE
A scientist observing a group of spider monkeys noticed that the adult females often spend time picking leaves off of tree branches. The scientist hypothesizes that this behavior is caused by boredom. Is the scientists hypothesis valid? A- no, emotions of non-human organisms ...
Sunday, September 28, 2014 at 5:51pm

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 400mL of a solution that has a concentration of Na+ ions of 1.10M ?
Wednesday, September 24, 2014 at 10:29pm

Science
Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. i wrote, If we understand scientific principles and think like a scientist we solve problems in our ...
Tuesday, September 23, 2014 at 6:04pm

science
A Scientist wonders if the amount of Vitamin C that he feeds to rats will have any affect on the rat's mass. He measured both the mass of the rats and the amount of vitamin C in grams. I need to find the Independent variable, Dependent variable and the controlled variable?
Monday, September 22, 2014 at 7:47pm

science
what is another path that a scientist might follow using the data from an experiment that did not support the hypothesis .
Monday, September 22, 2014 at 5:48pm

science
In general, what would a scientist do after forming a testable question? A. Design an experiment B. Develop a hypothesis C. Draw a conclusion D. Analyze data I think A because he has already done his hypothesis (my original answer. if not, B.
Tuesday, September 16, 2014 at 8:51pm

Science
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Monday, September 15, 2014 at 3:04pm

Sience Plase help check my answers
1. Why do scientists use models of natural systems? (1 point) Scientists use models of natural systems because these systems are often too large, too small, or too complex to study directly. Scientists use models of natural systems because they like to use art in science. ...
Monday, September 15, 2014 at 2:19pm

Science
Where did scientist get information to develop the geologic time scale? a) They collected and studied rock samples in Africa. b) They studied rock layers and index fossils around the world. c) They conducted research at libaries. d) They didn't have any information; they ...
Monday, September 15, 2014 at 9:21am

Scientific Literacy
6) A scientist at a chemical company designs and conducts an experiment to determine if a chemical made by the company is harmful to crops. To do this, he sprays the chemical on three plants he has in the laboratory. None of the plants survive. The scientist reports that the ...
Monday, September 15, 2014 at 9:04am

Science!
Which of the following is a valid reason why a scientist might reject a scientific theory? A. Some people disagree with it. B. It covers too broad a topic. C. New evidence contradicts it. D. It is too old. Is the answer C?
Thursday, September 11, 2014 at 3:17pm

chemistry
which pairing below does not correctly match the scientist with the contribution to the understanding of the atom A. Proust and the realization that the elements of compounds are found in certain proportions by mass B. Thomson and the law of definite proportions. C. Dalton and...
Sunday, September 7, 2014 at 6:57pm

chemistry
which pairing below does not correctly match the scientist with the contribution to the understanding of the atom A. Proust and the realization that the elements of compounds are found in certain proportions by mass B. Thomson and the law of definite proportions. C. Dalton and...
Sunday, September 7, 2014 at 1:43am

Science independent variable
A scientist designed an experiment to test the effect of temperature on bacterial growth. He grew three different cultures of the bacterium E. coli under three heat lamps at different temperatures. What was the independent variable in this experiment?
Wednesday, September 3, 2014 at 6:58pm

Science
help fastwhich of the following statements incorrectly describes a tool used by scientists? A. A compound light microscope enables a scientist to view objects too unaided eye to see. (B).A beaker is a type of glassware a scientist uses in the lab to record data. C. A scale is ...
Thursday, August 28, 2014 at 10:59am

Science
which of the following statements incorrectly describes a tool used by scientists? A. A compound light microscope enables a scientist to view objects too unaided eye to see. (B).A beaker is a type of glassware a scientist uses in the lab to record data. C. A scale is used to ...
Thursday, August 28, 2014 at 10:31am

Biology
In a controlled experiment, a scientist is studying how long it takes pea plants growing in different soil types to develop flower buds. What is the manipulated independent variable? a) type of soil used b) number of flower buds produced c) how long it takes for flower buds to...
Wednesday, August 27, 2014 at 9:06pm

Science
If an experiment disproves a scientists hypothesis, what should the scientist do next? A. develop a testable question B. revise the hypothesis and try the experiment again. C. develop a theory based on the data gathered in the experiment D. change the dependent variable. Is ...
Tuesday, August 26, 2014 at 4:55pm

Science
4. The graph above shows jack's mass over a five-month period. Based on the trend in the data, what do you predict will happen to jack's mass the subsequent month? A. Jack's mass will increase(MY ANSWER) B. Jack's mass will decrease C. It is impossible to ...
Monday, August 25, 2014 at 5:23pm

Earth Science Continued
Please help me with the following questions: 1. John Dalton said that the total pressure (Pt) exerted by a mixture of gases in a container is equal to the sum of the individual pressures of each gas present (if each gas was the only one present in the container). Further ...
Saturday, August 23, 2014 at 4:19pm

Science
How might creativity help a scientist? a)creativity allows a scientist's findings to be trusted. b)Creativity alllows a scientist to develop new ideas or evaluate old ideas in a new way. c)Creativity assures that the scientist has a sense of right and wrong. d)creativity ...
Friday, August 22, 2014 at 2:53pm

Science
How might creativity help a scientist? A.Creativity allows a scientist's findings to be trusted. B.Creativity allows a scientist to develop new ideas or evaluate old ideas in a new way. C.Creativity assures that the scientist has a sense id right and wrong. D.Creativity ...
Friday, August 22, 2014 at 2:09pm

Earth Science Continued
Please help me with the following questions: 1. A scientist suspected that the increase in the acidity of ocean water could have a devastating effect on organisms such as snails because it could break down calcium carbonate, a chemical that makes up their shells. Which could ...
Thursday, August 21, 2014 at 7:13pm

Earth Science
Please help me with the following questions: 1. A scientist suspected that the increase in the acidity of ocean water could have a devastating effect on organisms such as snails because it could break down calcium carbonate, a chemical that makes up their shells. Which could ...
Thursday, August 21, 2014 at 3:25pm

Science
In general, what would a scientist do after forming a testable question? A. Design an experiment B. Develop a hypothesis C. Draw a conclusion D. Analyze data (I think B. is that the right answer)
Tuesday, August 19, 2014 at 8:54am

science
If it takes more than a few experiments to find the answer to a particular problem, it means that the scientist has failed and is not a very good researcher.
Tuesday, August 19, 2014 at 8:18am

Chemistry
Suppose a scientist is doing an experiment to determine the effent of a cancer drug on mice with lymphoma. a)What are some of the variables the scientist should control in the experiment? b)Describe the control group for this experiment. a) I want to say the cancer drug and ...
Friday, August 8, 2014 at 2:16pm

Biology
A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in humans. Which of the following preliminary steps should the scientist take before conducting a controlled experiment? A. Establish a cause ...
Sunday, July 27, 2014 at 5:04pm

Science
You are a scientist hired by the ministry to investigate its anti-collision strategies. Choose one of the five strategies above. Outline a procedure to test how well the strategy works. I've chosen adding highway lighting to improve night visibility. But how do I start it ...
Thursday, July 17, 2014 at 11:42am

Finite Math
A political scientist has received a grant to fund a research project involving voting trends. The budget of the grant includes $3200 for conducting door-to-door interviews the day before an election. Undergraduate students, graduate students, and faculty members will be hired...
Friday, July 4, 2014 at 2:14pm

English
Punctuation commas Scientist have mapped the human genome. They learn more every day about how genes affect an individual's health. My answer Scientist have mapped the human genome, so they learn more every day about how genes affect and individual's health.
Tuesday, June 24, 2014 at 11:05am

Earth Science
Hello! I try to do my homework to the best of my ability. I want to make sure that my answers are correct. My answers will be (*). Please help me if you can.... 1. _______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Antonio ...
Thursday, June 5, 2014 at 12:43pm

Science
Mrs. Sue please help! 1. Which is most likely to be part of an ionic bond? (1 point) an atom with no valence electrons an atom with one valence electron an atom with two valence electrons an atom with three valence electrons 2. To form an oxygen molecule (O2), two oxygen atoms...
Wednesday, June 4, 2014 at 3:51pm

Algebra
A scientist is studying the growth of a particular species of plant. He writes the following equation to show the height of the plant f(n), in cm, after n days: f(n) = 10(1.02)n Part A: When the scientist concluded his study, the height of the plant was approximately 11.04 cm...
Tuesday, June 3, 2014 at 3:31pm

Science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Sunday, May 25, 2014 at 9:56pm

science help
1.Why do the islands of Indonesia have many volcanoes and experience frequent earthquakes? A.The islands are located at the boundaries of tectonic plates. B.Many hotspots are found near the islands. C.Magma is less abundant under Earth’s crust near the islands. D.The ...
Sunday, May 18, 2014 at 9:09pm

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, May 15, 2014 at 8:45pm

Science
The columbia icefield is located between banff and jasper in Alberta. It covers an area of more than 300 km squared and has ice that is up to 365 m thick in some places. How can studying this icefield give scientist information on climate patterns Please explain in simple ...
Friday, May 9, 2014 at 6:18pm

Math
The columbia icefield is located between banff and jasper in Alberta. It covers an area of more than 300 km squared and has ice that is up to 365 m thick in some places. How can studying this icefield give scientist information on climate patterns
Wednesday, May 7, 2014 at 4:02pm

Statistics
I am a big shot research scientist at Washington University where I am using 2ebrafish to study neuronal migration. My graduate students measured 40 fish and found that the mean length of the fish sampled was 3.7 cm with a standard deviation of 0.5 cm. Construct a 95% ...
Sunday, May 4, 2014 at 8:49am

Algebra
A scientist wants to research the potential spread of germs by contact. She knows that the number of possible handshakes within a group of n people is given by the equation N=1/2(n^2-n). Everyone at a party shook hands. There were 253 handshakes in all. How many people ...
Wednesday, April 30, 2014 at 10:43pm

Science
1. If the net force on an object is O N, the forces are considered unbalanced true false 2. Most people in the united states use feet and miles to measure distance in their everyday lives. why do scientist in the United States use meters to measure distance? Meters allow ...
Saturday, April 26, 2014 at 3:36pm

SCIENCE
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Sunday, April 13, 2014 at 12:49pm

Help!
Geothermal power would be classified as a(n) _____________________ resource because its supply will not run out. An example of a renewable and inexhaustible resource that requires the construction of dams is _________________________ energy. To solve the problem of a polluted ...
Saturday, April 12, 2014 at 5:32pm

Science help!!!!
A______________________ is a tool used to capture the energy in sunlight. Recycling aluminum cans and taking shorter showers are two ways to practice the ________________________ of natural resources. Some plastics are made from corn. These plastics are biodegradable. This ...
Saturday, April 12, 2014 at 3:50pm

Language Arts ~CHECK MY ANSWERS~
Are these answer are correct? Please be 100% correct / honest. Directions: For questions 7–15, rewrite each sentence, adding commas where needed. 7) While I was researching skateboards, I found an interesting old newspaper. 8) In the June 29, 1999 edition of the Mercury ...
Tuesday, April 8, 2014 at 4:06pm

science
Imagine that you are the scientist who discovered cells. If you were to give a speech to a group of fellow scientists, what key points would you include that describe your accomplishments?
Thursday, April 3, 2014 at 2:27pm

science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Thursday, April 3, 2014 at 1:07pm

Science
To solve the problem of a polluted stream a scientist traced where the pollution came from. She determined that the pollution was coming from many small sources. She worked on a plan to help reduce the pollution to the stream. This is an example of ____________________ ...
Thursday, April 3, 2014 at 11:46am

science
1.   Which is most likely to be part of an ionic bond?  (1 point) an atom with no valence electrons an atom with one valence electron an atom with two valence electrons an atom with three valence electrons 2.   To form an oxygen molecule (O2), two...
Thursday, April 3, 2014 at 11:28am

Science
A______________________ is a tool used to capture the energy in sunlight. Recycling aluminum cans and taking shorter showers are two ways to practice the ________________________ of natural resources. Some plastics are made from corn. These plastics are biodegradable. This ...
Tuesday, April 1, 2014 at 12:43pm

science
im stuck on this problem fill in the blank To solve the problem of a polluted stream a scientist traced where the pollution came from.She determines=d that the pollution was coming from many small sources.she worked on a plan to help reduce the pollution to the stream.This is ...
Sunday, March 23, 2014 at 7:42pm

Alegbra
A scientist measures a speck of sand as having a diameter of 0.00000034. Write this number in scientific notation.
Tuesday, March 18, 2014 at 4:49pm

Alegbra
The distance from the Earth to the sun is 93,000,000 miles? Write this number in scientific notation. A scientist measures a speck of sand as having a diameter of 0.00000034? Write this number in scientific notation.
Wednesday, March 12, 2014 at 7:22pm

Science
How many ice ages do scientist estimate have occurred during the last billion years? 3 5************************************* 6 7 How often do scientists say that recent cycles of advancing and retreating ice sheets occur? approximately every 100,000 years******* approximately...
Wednesday, March 12, 2014 at 2:09pm

science(check answers)
1.True 2.A 3.B 4.C 5.C 6.B 7.C 8.D 1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees ...
Tuesday, March 11, 2014 at 11:36pm

English
I'm writing a personal essay for an internship. Is everything in this essay clarified? Where can I expand? I don't know about you but I like living. And in order for me (and those who proceed me) to live a nice, long and happy life, we have to do something about the ...
Tuesday, March 11, 2014 at 3:52am

English
Choose the best answer 1. What do you get if you mix common bacteria and vinegar. The word common means a. multiple b. ordinary - the answer c. lower-class d. poisonous 2. It is a serious question. The answer is you get bacteria that eat toxic waste and turn that waste into ...
Monday, March 10, 2014 at 1:13pm

Chemistry
An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-3 M, [O2]0 = 4.1 × 10-4 M t(s) 0/3.0/6.0/9.0/12.0 [O2] 4.1/...
Sunday, March 2, 2014 at 2:51pm

science
4. a scientist exams a sample of an object from the solar system . there is evidence that the object included ice . the sample most likely comes from a(n) ( 1point ) a . Asteroid b. comet c dwarf planet d meteroroid
Friday, February 28, 2014 at 9:34pm

English- ms sue
Can you check my analogies? 1. Observatory: telescope:: A. Lavatory: hands B. book: idea C. Theory: scientist D. Letter: alphabet Is it b? 2. Twilight: dusk:: A. Dinner:lunch B. marriage: children C. Texture:touch D. Dew: morning Is it c? 3. Scene:act:: A. Play:cry B. today: ...
Friday, February 28, 2014 at 5:47pm

Science
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is most likely 1. from group 17 2. from group 1 3. from group 15 4. a noble gas 3?
Friday, February 28, 2014 at 2:02pm

Psychology
A scientist studied whether climate affected growth in rats. All rats were the same age and from the same parent rats. For the study, they were raised in three distinct climates: tropical, arctic, and multiseasonal. In this study, the climates are _______________. a.) ...
Wednesday, February 26, 2014 at 8:19pm

English
Using who or Whom 1. Who told you about our plans? 2. Who is our greatest scientist? 3. Whom did Armando send for? 4. Who are those women? 5. Who is your instructor? 6. Who is your friend? 7. To whom is that package addressed? 8. For whom shall I ask? 9. Who do you think can ...
Wednesday, February 26, 2014 at 5:10pm

English
1. Choose two of the scientists you read about in the Stories of Scientists unit. Compare and contrast these scientists. Answer this question in no fewer than two paragraphs. Be sure to include specific details about each scientist’s life, career, and personality in your ...
Wednesday, February 12, 2014 at 5:57am

reading
In the book Rachel Carson I'm suppose to agree or disagree about "a person can be a professional scientist or writer but rarely both".the chapter is 3 it says use details and examples from the chapter to support your decision and it's hard for me and I don&#...
Thursday, February 6, 2014 at 5:20pm

Science Help!
3. Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil B. Using coal is relatively inexpensive. C. Mining coal helps scientist uncover fossils D...
Monday, February 3, 2014 at 4:03pm

Help!!!
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees...
Monday, February 3, 2014 at 3:46pm

Help with science
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees...
Monday, February 3, 2014 at 2:35pm

Science
1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting down all of the trees...
Monday, February 3, 2014 at 1:46pm

law
Ron supervises delivery of flowers for a wholesale distributor of fresh flowers, Flowers. Inc. In order to accommodate one of the company’s best customers, Ron offers to immediately rush a delivery of fresh peonies. All of the delivery trucks are currently out on delivery...
Sunday, February 2, 2014 at 5:31pm

Science ~CHECK MY WORK PLEASE~
A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is likely A. From Group 17 ********** B. From Group 1 C. From Group 15 D. A Noble Gas Which is most likely to...
Tuesday, January 28, 2014 at 11:31pm

physics
You are a Middle Ages cannonball scientist attacking a castle a distance D away. Your job is to get a cannonball of mass m over the walls, which are a height H above the top of the cannonball launcher. At the instant when the cannonball leaves the launcher it will be traveling...
Sunday, January 26, 2014 at 6:05pm

Chemistry 1
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to sweat, and it is determined that the heat of vaporization of its sweat is 215 cal/g. The scientist observing the extraterrestrial life form also ...
Friday, January 24, 2014 at 1:06pm

math
at what depth could the scientist take a new sample would be shallower than the shallowest sample? day depth/ft below lake surface monday: -1 3/8 tuesday: -0.4 wednesday: -1.55 thursday: -9/16 worksheet rational numbers on a number line Practice !0-3
Monday, January 13, 2014 at 6:44pm

Biology
Why is there a need for a scientist to know the limitations of Science?
Tuesday, January 7, 2014 at 9:38pm

Physics
A villain is knocked out of a low-flying aircraft by a heroic scientist-adventurer at an altitude of 370 m. After falling for 120 m the villain reaches terminal velocity. 7.16 seconds after reaching terminal velocity, the villain crash lands in a river full of piranha. If the ...
Sunday, December 15, 2013 at 11:02pm

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