physical science mid term studyguide

List the steps of the scientific method.

Define Hypothesis: An educated _______ or an if, then statement.

What do we call variables that are kept constant: _______ or constant.

If I want to see how different amounts of water affect plant growth, what could some control variables be?

Define Independent Variable: The _______ tested.

Define Dependent Variable: The _______ being measured.

Define control: The _______ treated the same as the others except the independent variable is not added.

Underline the independent variable once and the dependent variable twice. a. A study was done to find if different tire treads affect the braking distance of a car. b. The height of bean plants depends on the amount of water they receive. c. The higher the temperature of the air in the oven, the faster a cake will bake. d. Lemon trees receiving the most water produced the most lemons. e. An investigation found that more bushels of potatoes were produced when the soil was fertilized more.

Define Scientific Theory.

If your hypothesis is proven wrong what would your next steps be?