Light and Sound

Front

What is the highness or lowness of a sound?

Back

Pitch

Front

What type of lens is used to focus light and is thicker in the middle?

Back

Convex lens

Front

What type of lens is thinner in the middle and spreads light out?

Back

Concave lens

Front

Define frequency in terms of sound.

Back

The number of vibrations that happen over time.

Front

What term describes the form sound takes as it travels away from a source?

Back

Waves

Front

What do we call materials that do not allow light to pass through?

Back

Opaque materials

Front

What do we call materials that allow some light to pass through but not clearly?

Back

Translucent materials

Front

What is the term for materials that allow light to pass through clearly?

Back

Transparent materials

Front

What is sound made of?

Back

Sound is made of waves that travel through air, water, or solids.

Front

What is an example of a sound wave?

Back

Music, speech, or any noise produced by vibrating objects.