1. | How many main scientists studied atoms? |
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C. |
2. | Democritus was the first person to study atoms. |
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B. |
3. | What is an element? |
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B. |
C. |
4. | What are the 3 catagories of elements? |
5. | What are the two types of mixtures? |
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C. |
6. | Who were the 7 main scientists that studied atoms? |
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B. |
C. |
D. |
E. |
F. |
G. |
H. |
I. |
7. | What is a nucleus? |
8. | What is the formula for average speed? |
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C. |
9. | An object at rest has a speed of 0 |
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B. |
10. | Energy accurs in_______ forms? |
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C. |
11. | What is not a good conductor of heat? |
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B. |
C. |
12. | Where does radiation waves come from? |
13. | What is the speed of light? |
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B. |
C. |
14. | What does the space shuttle transport? |
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B. |
C. |
15. | What are the 2 types of rockets? |
16. | What are the 6 main physical properties? |
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B. |
C. |
17. | Protons and Electrons have posive charge |
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B. |
18. | Electons have negative charge |
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B. |
19. | Protons have electric charge |
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B. |
20. | What is one way that lightning is produced? |
21. | What is Precision? |
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B. |
C. |
22. | All SI units can be created from how many units? |
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B. |
C. |
23. | Mass depends only on the amount of matter in an object |
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B. |
24. | What is the temperature scale measured in? |
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B. |
C. |
25. | Every magnet has a north and a east pole. |
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B. |
26. | What is one of the 4 types of mountians? |
27. | How far is the Earth's core? |
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B. |
C. |
28. | Waves carry ________ through matter or space. |
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B. |
C. |
29. | What is one of the four layers of the Earth? |
30. | What is the largest layer? |
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B. |
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