Light and Sound Review

If you blow on these two whistles, the shorter one will make a sound that is -

• lower

• higher

• louder

• softer

When a stretched rubber band is plucked, it makes a sound. Stretching the rubber band more makes it vibrate faster. What is the result?

• The rubber band makes a higher pitched sound.

• The rubber band no longer makes the sound.

• The rubber band makes a louder sound.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

How is sound created?

• by objects moving towards each other

• by two objects rubbing against each other

• when objects vibrate or move back and forth against each other

Tags

NGSS.MS-PS4-1

What direction does light travel?

• in a straight path

• through objects

• in random directions

If an object is smooth and shiny, how will light waves reflect off of it?

• in many directions

• in one direction

Tags

NGSS.MS-PS4-2

If an object is textured, or not smooth, how will light waves reflect off of it?

• in many directions

• in one direction

Tags

NGSS.MS-PS4-2

What part of the sound wave is letter A pointing to?

• amplitude

• resting point

• crest

• trough

Tags

NGSS.MS-PS4-1

What part of the sound wave is letter B pointing to?

• resting point

• wave length

• trough

• crest

Tags

NGSS.MS-PS4-1

What part of the sound wave is letter C pointing to?

• amplitude

• resting point

• crest

• wave length

Tags

NGSS.MS-PS4-1

What part of the sound wave is letter D pointing to?

• resting point

• amplitude

• wave length

• trough

Tags

NGSS.MS-PS4-1