5. whenever adrian plays his favorite video game, he always gets a higher score if he plays
while listening to music. he wants to know if listening to music while playing video games
affects other kids as well. he decides to test all the boys in his class. what should adrian do
to avoid experimental bias?
o only test the boys who usually play video games
o only test the boys who like video games
o include girls in the experiment
o include the teacher in the experiment

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.

Name the organs of humanelemintary canal.

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?