Which wave moves in a parallel direction?

What device helps to map out objects or land features on the ocean floor?

A repeating disturbance that carries energy is called

As a wavelength increases, the

Mechanical waves cannot travel

When the amplitude of a wave gets lower, the

What is it called when the pitch sounds closer or further away depending on your position to the sound?

Doctors use ______________ to study internal organs in humans.

The number of wavelengths passing per second is called___________ and it is measured in ____________.

Sound waves have the highest frequency closest to its source.

When an object vibrates and causes another object to vibrate at the same frequency it is called ___________.

Light travels slower than sound.

The angle of incidence in a light wave is the same as the angle of reflection.

What carries the least and most amount of energy in the electromagnetic spectrum?

What is the bending of light called that makes a pencil in a glass of water appear broken?

What is not an example of a transverse wave?

What two waves collide and create a wave with a higher amplitude, it is called _________.

Which type of mirror or lens bends outward?

When waves interact with each other it is called?

Which electromagnetic wave has the lowest frequency?

What is it called when a wave bends or curves?

What type of lens is thinner in the middle?

Which type of lens creates an image that will be upside down and smaller when the object is far away?

What type of mirror would describe a flat mirror?

Why are microwaves used to heat food?