physical science study guide for: Goal 1
1. Explain the difference between a scientific Law and a scientific Theory.
2. Why do scientists use models? Give an example of a model used by scientists.
3. A ___________________is an exact quantity that people agree to use to compare measurements. Why is this important?
4. The International System of Units is also called the _____ system or the____________system.
5. ____________________are used with the names of the measured units to let you know what multiple of ten should be used.
Complete the charts below.
6. SI Base Units:
KNOW ALL from chart on page15
7. SI Prefixes:
know all from chart on page 15
8. What system of measurement do we use here in the United States? Is this a good thing or a bad thing?
9. What are significant figures, how many should you have?
10. ***You must always list the ____________when giving a measurement, otherwise someone else looking at the data might analyze it differently!!
11. Length is the distance between____________points. The SI base unit for length is the _____________.
12. Volume is a quirky thing to measure, how do we do it?
13. A liter occupies the same volume as a cubic ________________.
14. What is Matter?
15. ________________ and _______________can be used to determine the density of an object.
16. What is the unit of measurement for density?
17. A unit obtained by combining different SI units is called a ______________ unit. Using an exponent with an SI unit also makes it a ____________unit.
18. Time is the _______________between two events.
19. What was the Fahrenheit scale based on?
20. What is absolute Zero? On what temperature scale does 0 = absolute 0?
21. What temperature scale do most scientists use? What are the freezing and boiling temperatures on this scale?
22. List the 3 types of graphs and tell what type of information each is best at representing.
