1. Review Quiz 1
START

2. What if a hypothesis is wrong?
A. Throw out the whole experiment and start from scratch.
B. Check procedures. If nothing was done wrong, try a new hypothesis.
C. Fudge the data and submit it.

3. Correct!
NEXT QUESTION

4. Incorrect!
TRY AGAIN

5. What are characteristics of scientific theories and laws?
A. They are always right and were tested by the most important scientists.
B. They were made up a long time ago.
C. They have been heavily tested and are almost always correct with the correct data.

6. Correct!
NEXT QUESTION

7. Incorrect!
TRY AGAIN

8. What is a physical change?
A. Change in atomic structure and appearance.
B. Burning a substance.
C. Change in appearance but not atomic structure.

9. Correct!
NEXT QUESTION

10. Incorrect!
TRY AGAIN

11. Which of these are in order from smallest to largest?
A. Proton, atom, element, compound
B. Atom, proton, element, compound
C. Compound, element, atom, proton

12. Correct!
NEXT QUESTION

13. Incorrect!
TRY AGAIN

14. According to the Law of Conservation of Matter, if you burn an object and trap all the gases, charcoal, and ashes, how much will you have left compared to what you started with?
33%
B. 100%
C. 90%

15. Correct!
NEXT QUESTION

16. Incorrect!
TRY AGAIN

17. What happens to energy when it is converted?
A. It gains more energy in its new form.
B. It becomes higher quality and more easily used.
C. Some energy is wasted as heat.

18. Correct!
NEXT QUESTION

19. Incorrect!
TRY AGAIN

20. Where did fossil fuels come from?
A. They formed when the Earth did.
B. Remains of plants and animals from millions of years ago.
C. Formed from rocks millions of years ago.

21. Correct!
NEXT QUESTION

22. Incorrect!
TRY AGAIN

23. What laws did NASA utilize when developing a heat shield for Dragon?
A. Laws of Conservation of Matter
B. Laws of Conservation of Energy
C. Laws of Thermodynamics

24. Correct!
START QUIZ OVER

25. Incorrect!
TRY AGAIN