Waves Communication

ANIMALS USING WAVES p. 61

Wolves call out to their packs by howling. The howling draws the pack together or signals of prey nearby.

Select another animal species which uses echolocation.

• dogs

• cats

• dolphins

• spiders

Tags

NGSS.MS-PS4-1

What is the distance between crest to crest or trough to trough?

• wavelength

• amplitude

• crest

• trough

Tags

NGSS.MS-PS4-1

Counting the number of troughs of sound waves that pass every second is measuring what part of a wave?

• Amplitude

• Wave height

• Wave frequency

• Wavelength

The pitch of a sound is found by measuring the ________.

• crest height

• distance

• trough depth

• frequency

Movements that carry energy from one place to another:

• Wavelength

• Waves

• Crest

• Though

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What is wavelength?

• How high or low a pitch is.

• How loud a sound is.

• The length of a wave.

What is the primary medium through which sound waves travel in air?

• Solid

• Liquid

• Gas

• Vacuum

Tags

NGSS.MS-PS4-2

Which type of wave is used in mobile phone communication?

• Sound waves

• Radio waves

• Microwaves

• Infrared waves

Tags

NGSS.MS-PS4-3

What is the term for the bending of waves around obstacles?

• Reflection

• Refraction

• Diffraction

• Absorption

Which part of the electromagnetic spectrum is used for satellite communication?

• Ultraviolet

• Visible light

• Infrared

• Microwave