If an object does not vibrate, it cannot produce _____.

• heat

• light

• sound

• electricity

Tags

NGSS.MS-PS4-1

What is a vibration?

• a quick motion back and forth

• a slow motion back and forth

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

All sounds are made by _____ objects.

• still

• vibrating

• moving

• big

Tags

NGSS.MS-PS4-1

A pitch is how high or low a sound is. What causes a pitch to be high or low?

• sound wave size

• sound wave frequency

• sound wave weight

Select all that apply. Sound can travel through _____.

• solids

• liquids

• gases

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A long column of air has a _____ pitch.

A short column of air has a _____ pitch.

Would the yellow column of air have a high pitch or a low pitch?

• high pitch

• low pitch

Tags

NGSS.MS-PS4-1

Would the blue column of air have a high pitch or a low pitch?

• high pitch

• low pitch

Draw lines to match the parts of the ear to the boxes.