1. Every group must have… 1) Only one writer and score keeper. 2) One speaker. Everyone else on team must brainstorm the answer Rules - Do not call out answer wait to be called upon before answering a question - Eyes on your paper. WINNING TEAM WILL RECEIVE EXTRA CREDIT

2. Sentence Completion (2pts)

3. 1) The sun’s rays heat sand particle by_____________.

4. 2) Cool air pushes in to replace warm, air flow by natural_________.

5. 3) Fan pushes air molecules by forced _________.

6. 4) Warmer molecules move more quickly, transferring heat throughout the iced tea by ________.

7. 5) Heat transferred from sand to towel to body by _______.

8. Multiple Choice- 4pts each

9. 6)

10. 7)

11. 8)

12. 9)

13. 10) When a pot of water is put on a stove, the water at the top gets hot primarily by ____. a. radiation b. convection c. conduction d. condensation

14. Short Answer and Math problems- 10 points

15. 11) At a given temperature, do all the molecules of a substance have the same kinetic energy? Explain your answer.

16. 12) Explain why a metal handrail feels colder than a wooden handrail, even though they are at the same temperature.

17. 13) The temperature outside is 32 degrees Celsius at 5 a.m. The temperature increases to 42 degrees Celsius at 7 a.m. Find the difference in temperature. Convert the temperature at 7 a.m. to Kelvin.

18. 14) Explain what absolute zero is? Which scale is used to measure absolute zero?

19. 15) Question from the Radiation video Which element found in bananas is radioactive?