Sound and Light Testlet Review

A sound with a high frequency has a _____ pitch. A sound with a ____ frequency has a low pitch.

• high, low
• low, high
• medium, high
• high, medium

Sound is caused by? 

• force
• vibrations
• instruments

What is refraction?

• when light bounces off an object
• when light bends
• when light draws an object

What does it mean to reflect?

• bounce off
• bend
• refract
• energy

What happens when light hits a mirror?

• it makes a color
• it reflects
• it makes a rainbow
• it passes through

What happens when an object is opaque?

• all light is able to pass through
• no light is able to pass through
• some light is able to pass through
• it is black

What does transparent mean?

• some light is able to pass through
• no light is able to pass through
• all light is able to pass through

Blurs light as it passes through

• Transparent
• Translucent
• Opaque
• Refraction

Allows most light through

• eflection
• Refraction
• Translucent
• Transparent

The longer the string on an instrument, the _________ the pitch.

• lower
• higher
• softer