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Science/ Experiment

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science
I have a science experiment and I'm not sure how to do this or have all the materials to do it can anyone help? For this portfolio, you will design an experiment to investigate the relationship between the number of coil loops and a strength of a solenoid. Once you have an ...

Science
For my science (biology) coursework i am doing an experiment involving photosynthesis- the cabomba experiment. I need to know 1- the variables that are controlled and why 2- what equipment is used and why PLEASE HELP... THANK YOU

Science
1. The ? is the part of an experiment that is not being tested and is used for comparison. (7 words) 2. The ? describes the steps you use during an experiment. (9 words) 3. After an experiment, scientists write a ? which summarizes their experiment and results. (10 words) 4. ...

SCIENCE
I have to find research about Jan van Helmont's work on Spontaneous Generation and I am having trouble finding info. about it and how he conducted the experiment..also i have to figure out the strengths and weaknesses of the experiment and is it considered good science or bad ...

science
i had to make up an experiment for school. but my teacher said it wasn't an experiment. my hypothesis is that there is a relationship between divorce rates and teens school grades. how do i make this into an experiment. please help!

Science
Portfolio: you will design an experiment to investigate the relationship between the number of cool loops and the strength of a solenoid. Once you have an experiment plan carry out your experiment and record your data. After you have finished conducting the experiment, write a...

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 ...

Science
What is the difference between a controlled experiment and a natural experiment?

Science
What experiment did Rudolph Virchow do? What prior information did he use to help him with his research/discovery? What tools did he need to complete his experiment?

Science
What experiment did Matthias Schleiden do? What prior information did he use to help him with his research/discovery? What tools did he need to complete his experiment?

Science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable. Is...

science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable. Is...

Science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable. Is...

science
If an experiment disproves a scientist's hypothesis, what should the scientist do next? 1. Develop a testable question. 2. Revise the hypothesis and try the experiment again. 3. Develop a theory based on the data gathered in the experiment. 4. Change the dependent variable. Is...

Science
If an experiment disproves a scientist’s hypothesis, what should the scientist do next? Develop a testable question. Revise the hypothesis and try the experiment again.*** Develop a theory based on the data gathered in the experiment. Change the dependent variable.

Science Experiment Help (pt 2)
did the experiment (correctly this time), still need help with the answer to this question: What other mixture can be separated by crystallization? thnx for the help!

Science
My assignment is to make an experiment to investigate the effect different forces have on an object’s motion. And this should test at least one of the laws of motion. Now all I ask is an example of an experiment I could do. I'm having trouble coming up with an idea to ...

Science?
I'm doing a science experiment where I have to light an object on fire to do the experiment.. It can't be oil or electrical fire. So I need some objects I can light on fire. Such as a candle. But I can't use this one

General Science
you plan an experiment to test the growth of beans using three different fertilizer. What are the dependent and independent variables in the experiment?

science
Suggest an experiment to compare the conductivity of electricity by iron, copper, aluminium and zinc. Perform the experiment and prepare a short report on the resu

Biology
hi! so for science we have to make an experiment on temperature. we have to base our experiment on the given materials (which include test tubes, aluminum foil, cotton, fan) i chose a fan and I'm thinking of doing an experiment on how the strength of wind affects body ...

Science: heart beats.
I was wondering if anybody could help me with my science assignment.I was required to write out a method for a controlled experiment testing my hypothesis: "Physical activity affects heart rate" and I've no idea what my method is to test out this experiment. Please help &...

Science Experiment Help
Just need help answering this one question for my science experiment: "Name another mixture that could be separated like the sugar-water mixture." the sugar-water turned into caramel when I heated it... so what other mixtures do that? Thnx for the help! Aly

Science
In an experiment to find out how the proportion of cement in a concrete mixture affects the products strenghth what would be two controlled variables and what could a possible source of error in this experiment be ? Thank you for your help!

Science Fair
I'm planning on doing a science fair project, but it has to involve an experimen. I wanted to do it on how adding mayonnaise, ketchup, and mustard to a small hamburger at McDonalds can so much fat to it that it can make it as bad as a big hamburger without the mayo, ketchup, ...

physics
does anyone know who conducted the experiment or a credible description of the experiment that helped prove Einstein's thought experiment: the twin paradox? as in the experiment in which one cesium-beam atomic clock stays on Earth, while another one takes flight and the time ...

science fair
Writeacher, its me again i just wanted to know if the experiment of the math test and music is enough for the multitasking project or should i include another experiment to prove the hypothesis. thank you soo much.

AED
Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety precautions...

Science
How do you set up a controlled experiment ? What's the purpose of a control group? How many variables should a controlled experiment have? What are the difference between observation and inferences? I REALLY NEED HELP!!!! PLEASE HELP ME !!!!

Science
Can any one please please help me with popcorn experiment homework? The materials and 1 pack of Orville and 1 movie theater popcorn and let say the timing for both were 4.5 minutes. 1- what is the variables would you need to keep constant(control) in you experiment? Please ...

science
can you please help me find 3 good science experiment? for the science fair....

Science 8A Electromagnetism
Hi, Umm, can someone give me an example because I'm kind of confused. I need help! Please help me! For this portfolio, you will design an experiment to investigate the relationship between the number of coil loops and a strength of a solenoid. Once you have an experimental ...

Physics
A very important experiment was carried out at the end of the 1800’s involving testing for the speed of the earth through the ether. (a) State the name of this experiment (b) Describe why the light beams are perpendicular to each other at one stage of the experiment. (c) ...

Science
There are two fill-in-the-blank questions that I can't find the missing word. If you could be of any help, I'd appreciate it. :) #1. The ____ describes the steps you use during an experiment. #2. Sometimes scientists make a mistake, or ____, and need to do an experiment again...

Science
How do living organisms help purify water? Why will you get a smaller volume at the end of a experiment than what you started with? It is okay to taste your water at the end of an experiment? Why or why not?

science
Do houseplants affect the quality of air in a house? Describe an experiment that would answer this question. What gases do you want to measure? I answered yes since plants give off oxygen which animals need to survive. I need a little help with the experiment.

AED
Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety precautions...

Science
So I did a science experiment and I have to wrap a coil wire around a nail and tap the other end to a battery. Then see how many paper clips will stick to the nail, and I had to wrap more coil wire around the nail over time and stuff and record the data. Now I must choose the ...

biology
my quations are without changing appratus in an experiment how can the reliability of the experiment result be improved and also why can small changes in room temperature during the experiment be ignored thank you!!

science
how would you measure out 25 grams of sodium chloride for a science experiment?

Science
exsamples of the meaning of -Reliability, -Accuracy, -Precision. in a science experiment? thanks

Science
I need an example or suggestion for a Controlled Experiment for a science presentation

science
Can you please explain to me how to determine the control of an experiment? The experiment we have been given is determining which liquid (fruit juice, cola, water, etc.) would make the more significant impact on a chicken bone when emersed. What would the control be?

science
Jenny is doing an experiment to see if students in her class like apples or oranges best. She will offer each student an apple or an orange. Then she will record how many students took each kind of fruit.What is a valid prediction Jenny could make about the results of her ...

science
what is the meaning of -Reliability, -Accuracy, -Precision. in a science experiment? thanks

math
please help me solve this problem quickly! John and Melanie are designing a science experiment for the school science fair. Their experiment requires a large amount of copper wire. They need 22 spools of copper wire that each contains 31 meters of wire. How many kilometer of ...

science
A biochemist used 10.000 grams of P-32 in a test on plant growth but forgot to record the date of his experiment. When he measured the amount of phosphorus-32 on another day, he found only 1.250 grams of the isotope remaining. If the half-life of P-32 is fourteen days, when ...

Science/ Experiment
Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study? How will ...

Sciene
Portfolio: you will design an experiment to investigate the relationship between the number of coil loops and the strength of a solenoid. One you have an experiment plan, carry out your experiment and record data. After finishing conducting experiment, write a conclusion that ...

chemistry
A Biology student wants to know if Mountain Dew will make plants grow faster than water. As a Chemistry student, you have agreed to assist in the planning of the experiment to make sure the student designs a valid experiment. 1) What is the experimental question? 2) What is ...

science
can someone edit my lab report please? Here it is Purpose: The purpose of this experiment was to distinguish six substances observing how they react in fluids and to identify them by their properties. My hypothesis by the end of this experiment, I will discover what the ...

6th Grade Science Help PLEASE!
Hi, so I did the coin drop experiment. I finished project, wrote my hypothesis, my data, my observations, and my conclusion. What I need help is that in this experiment I don't know which on is the independent and dependent variable. That's all I need. Can someone please help ...

science
Can anyone think of a fun experiment to do with blood for a 9th grade science class? Try not to be too flashy-my teacher has a rather limited budget

Science Experiment
Directions: You are a medical researcher who has just "discovered" a new treatment for AIDS. Now you need to design an experiment to test its effectiveness. Using the follwoing questions as guidelines, plan your experiment. 1) What groups will you have in your study? How will ...

science
A class is to perform an experiment to study the effects of various plant foods on a type of indoor plant.The teacher provides three similar plants,a water supply,and three different packets of plant food.Explain how you might conduct a controlled experiment.

psychology
When an experimenter's expectations about a behavior influence the results of his experiment, it is called a a.placebo effect b.self-fulfilling prophecy c.single-blind experiment d.double-blind experiment

Science
A scientist wants to make their experiment more accurate. Which of the following should they do to ensure this. decrease their sample size nothing; there is no way to increase the accuracy of an experiment increase their control amount increase their sample size

physics
1.will hall voltage be same for conductor and semiconductor in hall effect experiment? 2.can hall effect experiment be used for determining earth's magnetic field? 3.what is the importance of hall experiment? 4. can we use intrinsic semiconductor for hall experiment?

Science
Which of the following is NOT true about the blank for the experiment, 'Analysis of a Complex Iron Salt'? A. A blank is composed of the solvent used to dissolve the analyte. For this experiment, the solvent is a combination of sulfuric acid, phosphoric acid, and water. B. A ...

science
what are variables in science experiments? please give me an example like my experiment is how to tell if a person is lying by his body language.thank you. need answer badly!!!

Science Project
Do people prefer higher priced chocolate bars considered a Science Experiment? I plan to test one low, med and high priced chocolate to 10 blind folded taste testers. My mom doesn't think this is science?

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?

science gr.8 science fair topic ideas
what are some ideas for science fair projects gr.8?!?! and please give an experiment with it thank u!!

SCIENCE
Hello! I have a question!!! And its a good one!!!!!!! 1. What should I do a science experiment on?? Please help me out...... I ran out of ideas...:-(

Science
I am doing an experiment at school to make magnesium chloride. We are using Bunsen Burners, HCl acid and I am using magnesium carbonate. Would the only control variables in the experiment be the volume of acid, the acid type and the base type? Pls help asap :D

Chemistry
It says 8. In a similar experiment Mary Moreorlesss was to determine the loss of weight when a crucible of potassium chlorate was heated to drive off the oxygen. After finishing the experiment she concluded the potassium chlorate contained 24.0% oxygen. Why did miraculous(...

Science-PsyDAG
PsyDAG, could you please check my post on that science experiment thing, if you have time. I posted it yesterday on here, but you were never on. Thanks:-)

science
What would be my control in my science fair experiment if the problem statement is "Which brand of bread molds the fastest, "Bimbo" or the "Walmart Brand?"

Science
What is my control in my science experiment I am running mice and hamsters threw a maze to which one can do it faster I can't figure out my control though?

science
Hi. I am conducting a science experiment to present to a class. Details of experiment below. Materials: 1 can of non-diet soda 1 can of diet soda 2 buckets of water 1. Fill bucket 2. Put can of non-diet soda into a bucket of water. 3. Wait for the can to either sink or float. ...

Science Fair
My school has a Science Fair coming up and I would really like to win this year with an impressive EXPERIMENT! Any suggestions? I am in 11th grade.

physical science
I was doing an egg experiment that I found on line where you put an egg in white vinegar and the shell softens. It said to leave the egg for seven days. At the end of the fourth day the white of the egg which had already softened fell totally off the egg. Now my experiment for...

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 finds...

science
i need help writing up the discussion for a science experiment. I need to know what to include and say in it.

Mat/116
An experiment is underway to test the effect of extreme temperatures on a newly developed liquid. Two hours into the experiment the temperature of the liquid measured to be -17 degrees celsius. After eight hours of the experiment the temperature of the liquid is -47 degrees ...

earth science
Science fair help..about soil.. and UV rays..? my topic is how can natural or artificial UV (ultraviolet rays) affect the humus soil and also the grass growing in it? I took 5 plants and put it near the window and the other ones i put it near an artificial (plasma black light ...

mat/116
need an expression only to this word problem: An experiment is underway to test the extreme effect of a newly developed liquid. Two hours into the experiment the temperature if the liquid measured to be -17 degrees Celsius. After eight hours of h experiment the temperature of ...

AED
List the equipment and materials to be included in the science kit. o Explain what safety precautions are needed. Wear goggles, wear apron, wear gloves, and I am stuck there. o Outline the step-by-step procedures for the experiment. o Determine methods you can use to monitor ...

science
a placebo in an experiment is also know as this

science
what is a constant and control in a experiment

science
an experiment for ORGANIC FOOD!!!!!!!!!!!!!!!!!!!!!!!!!!

science
what does an experiment prove /or disprove?

Science
How do you define a controlled experiment?

science
What can we learn from an experiment itself?

Science
Factors that can be changed in an experiment

Science
Reaction time.experiment

General
This is a question to everybody: I was just wondering if anyone had any science related questions or things they wonder about that may require experiments. If you have any ideas please mention them. I need this for a science for a science fair project and have at most a 6 ...

science
what is an answer reached at the end of an experiment ?

science
What is something in an experiment thst can change?

science
summaries of what was learned in a scientific experiment.

science 8
Waht is the reason for the seasons experiment?

science
how is a parameter related to designing an experiment?

science
i need help at these. thx 1.the statement, " all living things are made of cells" is an example of _______. 2. a controlled experiment helps to eliminate the effects of unwanted ________. 3. ________ science emphasizes inquiry and observation.

Science
Several hypotheses may fit every set of data. what is important to know when you hear about a new scientific finding? NUmber the following in order of their importance. __ who paid for the research? __ the education of the scientist completing the study __ how much data did ...

Science
Hello, My dughter is in 6th grade and has a science experiment that she is working on. It is to take a shoebox and do a "leprechaun trap" showing a Newton's law. She is struggling. Some kids are already done and she is drawing a blank. She built a living room setting and is ...

Physics
I have an experiment in which I drop a tennis ball ,, and measure its rebound height in every bounce. one of the question regarding this experiment is - were the collisions elastic or not ? support with evidence. How do these forces magnitude compare with the weight of the ...

science
How do I write a conclusion for an experiment with three paragraphs???

Science Experiments
Is the control of an experiment the part that is not changed?

science
the ? describes the steps you use during an experiment?

Physics/ Science
How does a derivation differ from an experiment or a theory?

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