1. Constant Book Definition In your own words… Picture Something in an experiment that does not change

2. Variable Book Definition In your own words… Picture Anything that can affect the outcome of an experiment

3. Hypothesis Book Definition In your own words… Picture A suggested answer to a question

4. Control Book Definition In your own words… Picture The variable that is compared to the changed variables in an experiment

5. Theory Book Definition In your own words… Picture Set of hypothesis that have been supported by testing over and over again

6. Law Book Definition In your own words… Picture An event in nature that has only one explanation

7. Density Book Definition In your own words… Picture Amount of matter in a given volume Density = mass / volume

8. Observation Book Definition In your own words… Picture Using your senses to find out what is going on around you

9. Meniscus Book Definition In your own words… Picture The curve at the surface of a liquid in a graduated cylinder

10. Unit Book Definition In your own words… Picture Amount used to measure something