Coach Newman has been keeping a record of the temperature in his classroom in the chart above. What is the difference between the temperature at 8 am and the temperature at 1 pm? A.
0°
B.
4°
C.
1°
D.
3°

Photosynthesis converts solar energy into what type of energy?

Darrel conducted an experiment with the following procedure: fill two cups with ice water. place an uninflated balloon snuggly onto your left index finger. blow a little air into an identical balloon, and place it onto your right index finger. place both fingers into the cups of ice water. darrel noticed that his right finger felt warmer in the ice water than did his left finger. which of the following does the experiment show? a. air is a good radiator of heat. b. air is a good insulator of heat. c. air is a good conductor of heat. d. air is a good convector of heat.

Fredrick griffith made a scientific discovery in 1928