Question: Which medium does sound travel the fastest through? *
Answer Options:
A.) gas
B.) solid
C.) liquid
D.) all equally

Question: If you started the motor of a boat in the middle of a lake, who would detect the sound of the motor first: *
Answer Options:
A.) a friend sitting on the shore of the lake
B.) a friend snorkeling just below the surface of the water at the same distance from the boat

Question: Lightning and thunder occur at the same time, yet we see the flash of lightning before we hear the clap of thunder. What does this indicate about the speed of light compared to the speed of sound? *
Answer Options:
A.) sound and light travel at the same speed
B.) sound travels at faster speeds than light
C.) sound travels at slower speeds than light

Question: Whales communicate with other whales by making low-frequency sounds. They navigate by making high-frequency sound that echo back to them after bouncing off of objects in front of them. Military sonar systems on ships produce sounds as loud as 200 dB and these sounds travel great distances across oceans. How might these military systems affect whales? *
Answer Options:
A.) it can make them deaf
B.) it won't have any affect on them
C. it may make them think another whale is talking to them
D. it may make them confused where they are