Sound Waves
Sound must have this to travel through (Hint LIGHT does NOT need this)
What is matter or a medium?
This term refers to the number of waves that occur during a second.
What is frequency?
What does a sound wave need to travel, but a light wave doesn't?
What is a medium?
Dolphins and bats use this to help them locate prey
What is echolocation?
Two animals that use echolocation
What are bats and whales [and/or porpoises]?
What is high?
Which object has the highest pitch? Tuba, drum, flute, or guitar
What is flute?
The technology used by submarines and ships to locate things beneath the surface of the water.
What is SONAR?
This animal makes the loudest sound at 188 decibels
What is a blue whale?
If you were to shout down from the top of the Grand Canyon, you would hear the sound of your voice come back to you - what is this called?
What is an echo?
Which has a higher pitch - a glass with no water or a glass that is full?
A glass that is full
Why is it important that some animals use echolocation?
A sound wave that is very tall will have a _________ sound
What is loud?
How high or low a sound is, is called this.
What is pitch?
The state of matter in which sound is transmitted slowest
What is a gas?
What is an example of a sound with high amplitude AND high pitch?
Answers will vary.
What ships and submarines use to detect and locate underwater objects
What is SONAR?
These can be compared to a slinky because of how they move and are often called compression waves.
What are sound waves?
How loud or soft a sound is, is called this.
What is amplitude?
Where can no sound occur?
What is space [or a vacuum]?
Which two states of matter does sound travel the best through?
What is solid and liquid?
What is the difference between a light wave and sound wave?
What is light waves don't need a medium to travel through, sound waves do?