What is frequency?

What is wavelength?

What type of wave is this?

Which of the following are examples of this type of wave?

The top of a wave is called......

Waves transfer ?

An oscillation is another word for a ?

What name do you give the areas where the wave gets closer?

When waves bounce off a surface this is called a ?

When waves are put together this is called a superpose but what does this mean?

The speed of sound in air is.....

Which travels faster light waves or sound waves?

The speed of light is.....

What do bats and dolphins use to find things?

Which wave will have a louder sound?

Frequency is measured in ?

The audible range (what we can hear) for humans is ?

Sounds above 20,000Hz are called ?

The name of the equipment we use to see what sounds waves look like is......

What is the very outer part of the ear called?

This is the unit used to measure the volume of a sound?

This is what you get when soundwaves are reflected, or bounce back, off of a hard surface.

What is the name of the bones in the ear that vibrate?

A girl sees a flash of lightning and then hears the thunder 3 seconds later. How far away is the thunder?

70kHz is how many Hz?

When a singer sings into a microphone, the sound wave hits a plate called a _______

How can we make a sound louder?

How are the electrical signals in the ear sent to the brain ?

If lots of echoes joint together to produce a longer sound, we call it a ?

A ship's sonar detects an echo 4 seconds after it sends the pulse towards the sea bed. The speed of sound in water is 1500m/s. The depth of the water is....

A ship's sonar detects an echo 2.4 seconds after it sends the pulse towards the sea bed. The speed of sound in water is 1500m/s. The depth of the water is....