Sound and Ear Review

Dolphins and Bats use what

• Echolocation

• Echo Detection

• No Echoes at all

• Echo Reverberation

How many tiny bones are attached to the ear drum

• 1

• 2

• 3

• 4

Decibel is

• The unit of measure used to gauge frequency

• The unit of measure to check tone quality

• The unit of measure that is used to check wave length

• The unit of measure used to gauge the loudness

Tags

NGSS.MS-PS4-1

Means the same as one cycle of a wave

• Intensity

• Amplitude

• Hertz

• Velocity

Tags

NGSS.HS-PS4-1

You can still hear in space even if you scream

• True

• False

At what decibel level for a continuous period does hearing loss occur?

• 55 + dB

• 90 + dB

• 85 + dB

• 60 + dB

Pitch is directly related to what?

• Amplitude

• Velocity

• Frequency

• Decibels

An echo is

• Sound bouncing back to you off a solid object

• Sound that bounces in all directions

• A figment of your imagination

• Sound that DOES NOT bounce back to you

Tags

NGSS.MS-PS4-2

The Doppler effect occurs when

• The waves are moving like the ripples in a pond from a rock

• A moving object is emitting sound continuously.

• There is a rainbow present in the sky.

• The waves are really distorted in the front where the sound is and not in the back after the object moves away

Sound travels through waves called

• Compressional Waves

• Up and Down Waves

• Sea Waves

• Transverse Waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2