Science

3. - the amount of space taken up by an object
4. notation - a way of expressing a value as the product of a number between 1 and 10 and a power of 10
7. - the ratio of a material’s mass to its volume
10. - a proposed answer to a question
11. a system of knowledge about the natural world and the methods used to find that knowledge
13. - the study of matter and energy and the interactions between the two through forces and motion
14. - information obtained through the senses
16. - the straight-line distance between two points
17. - a representation of an object or event
18. - the amount of matter in an object
20. variable - the variable that causes a change in another variable / the variable that the scientist changes in an experiment

1. law - a statement that summarizes a pattern found in nature
2. theory - a well-tested explanation for a set of observations or experimental results
5. factor - a ratio of equivalent measurements that is used to convert a quantity from one unit to another
6. experiment - an experiment in which only one variable, the manipulated variable, is deliberately changed at a time
8. - the study of the composition, structure, properties, and reactions of matter
9. - the use of scientific knowledge to solve practical problems
12. - an instrument that measures temperature
15. variable - a variable that changes in response to a change in the manipulated variable
19. method - an organized plan used for gathering, organizing, and communicating information