Category 1
What medium does sound travel the slowest through?
Air
What medium does sound travel the fastest through?
Solids
What does a compression wave look like?
A slinky
What is it called when animals use sound waves to help them locate food?
Echolocation
True or False: Sound needs a medium (solid, liquid, gas) to travel through.
TRUE
How do musical instruments produce sound? Give an example!
Teacher discretion.
How do humans use sound? Why do we need it? Give an example.
Teacher discretion
What is a medium?
Solid, Liquid, Gas
Objects vibrating slowly create what kind of pitch?
Low pitch
What do ships use to measure the depth of the ocean? HINT: Its similar to echolocation.
Sonar
Objects vibrating rapidly create what kind of pitch?
High Pitch
How are sound waves helpful to animals like whales and bats?
It helps the animal locate food.
Order the following from FASTEST to SLOWEST for how fast sound travels through each: Air, Iron, Water
Iron, Water, Air
Order the following mediums from slowest to fastest of how sound travels through them: Solids, Gas, Liquid
Why does sound travel the slowest through gas?
Because the particles are farther apart
Why does sound travel fastest in a solid?
The particles are close together.