Homework Help: Science

Posted by Annonymous on Sunday, July 25, 2010 at 6:26pm.

Please help me with my homework! OK, so there is this girl conducting an experiment to see whether a solution (juice) will take longer to freeze than a substance )pure water).She predicts that water will take less to freeze. So there is this article that goes on and on to list the steps that she took. I have to answer these question. PLEASE help me. I put the answers that I put into my homework below each question. Please tell me if my answer is incorrect, and if so, how could I fix it. Thanks in advance!

1. What is her hyothesis?
A solution will take longet to freeze than water.

I MOSTLY NEED HELP ON THIS QUESTION!
2. What are the variables in the experiment?

Independent Variable- Juice/water.
Dependent variable- Ammount of time that it takes to freeze.

3. What variable is controlled?

Ammount of juice/water put in cups.

Science - bobpursley, Sunday, July 25, 2010 at 6:45pm
you have it, I would also list as a control the same freezer at the same time.
Science - DrBob222, Sunday, July 25, 2010 at 6:49pm
Without the material (experiment) you are following I can't help; however, here is a site that explains dependent and independent variables.
independent versus dependent variable
Science - DrBob222, Sunday, July 25, 2010 at 6:50pm
The link didn't come out. Here's another try.
http://www.cool-science-projects.com/independent-and-dependent-variables.html

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