Vocabulary Words

2. A basic statement established by experiment or observation. All facts are true under specific conditions. Some facts may be false when re-tested with better instruments.
3. The variable that changes due to the independent variable. This is the outcome you are measuring in an experiment.
4. Measurements that are made using the senses: Think quality.
10. The variable that is intentionally changed to find the effect on another variable. The experimenter varies the independent variable.
12. Units that are defined in terms of the base units.
13. The amount of matter an object contains.
14. An explanation for why certain laws and facts exist that can be tested to determine its accuracy.
15. An approximate calculation of a quantity or value.
16. Information gathered using the senses.
17. A statement that is not scientifically provable in the same way as facts, laws, hypotheses or theories. Scientifically disproven beliefs can still be held to be true.
18. A conclusion made based on evidence and reasoning.

1. Lab equipment; used to measure volume of liquids.
4. Measurements that are made using numbers: Think quantity.
5. A logical relationship between two or more things that is based on a variety of facts and proven hypothesis. It is often a mathematical statement of how two or more quantities relate to each other.
6. The factors in an experiment that do not change. The experimenters holds these variables constant.
7. Lab equipment; used to measure mass of an object.
8. A proposed explanation for a phenomenon that can be tested by direct experiment or observation. A proven hypothesis can be expressed as a law or a theory.
9. The space on object occupies.
11. International System of Units; system of measurements agreed upon by all scientists.
17. The fundamental set of units from which all other units can be generated.