Water waves travel in a direction perpendicular to the direction of vibration. What is this type of wave we called?

What type of wave in this picture?

Sound is a type of………….wave?

Sound is produced by vibrating molecules and therefore must have a ………….. to travel.

If the wave is traveling with the same speed, when the frequency is higher, the wavelength must be…….?

Which of the following waves can travel in a vacuum?

Wave transfer ………….from one place to another

Which electromagnetic wave is responsible for cell phones?

What kind of wave is described in the picture below?

What property of this wave is represented by the letter “A”?

The highest point on a wave is……….?

The lowest point on a wave is the…….?

The type of waves that require medium to pass through?

A mechanical wave cannot travel through..........