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
Sentence Completion (2pts)
1) The sun’s rays heat sand particle by_____________.
2) Cool air pushes in to replace warm, air flow by natural_________.
3) Fan pushes air molecules by forced _________.
4) Warmer molecules move more quickly, transferring heat throughout the iced tea by ________.
5) Heat transferred from sand to towel to body by _______.
Multiple Choice- 4pts each
6)
7)
8)
9)
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
Short Answer and Math problems- 10 points
11) At a given temperature, do all the molecules of a substance have the same kinetic energy? Explain your answer.
12) Explain why a metal handrail feels colder than a wooden handrail, even though they are at the same temperature.
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.
14) Explain what absolute zero is? Which scale is used to measure absolute zero?
15) Question from the Radiation video Which element found in bananas is radioactive?