Unit 8 Review

The loudness of a sound is __________.

• frequency

• volume

• wave

• sonar

Materials that let light pass through them are ___________.

• translucent

• opaque

• transparent

• solid

A _____ is a disturbance that transmits energy.

• frequency

• wave

• vibration

• compression

The bending of light as it passes at an angle from one type of matter into another is called _____________.

• refraction

• prism

• reflection

• frequency

Lenses are curved ________ objects that _______ light.

• opague, reflect

• translucent, refract

• transparent, reflect

• transparent, refract

The highness or lowness of a sound is its _______.

• volume

• pitch

• frequency

• decibel

Many solid objects are ________.

• opaque

• transparent

• concave

• translucent

Volume is measured in units called _________.

• pitch

• waves

• decibels

• vibrations

When white light enters a ______, the different colors of light bend at different angles.

• reflection

• refraction

• prism

• lense

The bouncing of light off an object is known as __________.

• refraction

• frequency

• vibration

• reflection