Vocabulary

2. a proposed answer to a question; a prediction that is usually written as an if/then statement
7. a variable that does not change in an experiment
8. a representation of an object or event that would be too small or large to otherwise study
9. the amount of space taken up by an object
10. the basic metric unit of length
11. the basic metric unit of length
12. a variable that changes in response to a change in the manipulated variable / the variable that the scientist measures
14. a system of knowledge about the natural world and the methods used to find that knowledge
15. the variable that causes a change in another variable / the variable that the scientist changes in an experiment
16. the study of energy, forces, and motion
17. a well-tested explanation for a set of observations or experimental results
18. the study of the composition, structure, properties, and reactions of matter

1. the amount of matter in an object
3. information obtained through the senses
4. the distance between two points
5. the basic metric unit of mass
6. experiment an experiment in which only one variable is changed at a time
13. an organized plan used for gathering, organizing, and communicating information