Question

experiments
purpose
an experiment is a procedure to test a hypothesis. that is because a hypothesis is the first part of an experiment and becomes the basis of what is being tested. the purpose of an experiment is to test a hypothesis, demonstrate a fact or make a discovery through a general procedure. a variable is anything that has the ability to change, this does not mean they always do. an example of a variable would be the temperature of an object.
what is the first part of an experiment and becomes the basis of what is being tested?
the dependent variable
the results of the experiment
a hypothesis

Explanation:

An experiment is a procedure to test a hypothesis. A hypothesis is an initial statement that forms the basis of what is being tested. The dependent variable changes based on other factors. The results of the experiment come after testing. So the first part that is the basis is the hypothesis.

Answer:

C. a hypothesis