Physics

4. used to study how a change in the independent variable changes the dependent variable
5. factor you observe or measure during an experiment
8. internationally accepted system of measurement
10. expression of error as a percentage of the accepted value
12. numbers used to describe what is observed
14. statement of what will happen next in a sequence of events
15. interpretation of observations
16. logical explanation of an observation that is drawn from prior knowledge or experience
18. the investigation and exploration of natural events and of the new information that results from those investigations
21. factor that you want to test; is changed by the investigator to observe how it affects a dependent variable
22. spoken or written summary of observations

1. comparing what you already know with the information you are given in order to decide whether you agree with it
2. using one or more ofyour senses to gather information and taking note of what occurs
3. words used to describe what is observed
6. possible explanation for an observation that can be tested by scientific investigations
7. contains the same factors as the experimental group, but the independent variable is not changed
9. method of writing or displaying very small or very large numbers
11. practical use of scientific knowledge, especially for industrial or commercial use
13. explanation ofobservations or events that is based on knowledge gained from many observations and investigations
17. rule that describes a repeatable pattern in nature
19. factor in an experiment that stays the same
20. any factor that can have more than one value