Science

An object that vibrate , it can produce ...

• Sound

• Light

• Heat

• Electricity

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When you listen the music , the sound is moves from ...

• Air to ears

• Ears to radio

• Ears to air

• Radio to ears

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A sound wave can travel through ...

• Solids only

• Liquids only

• Gas only

• Solids, liquids and gas

Tags

NGSS.MS-PS4-2

What is vibration ?

• How loud a sound is

• The back and forth movement of matter

• How high or low a sound is

• The loudness or softness of a sound

Tags

NGSS.MS-PS4-1

What is pitch?

• Muscle that holds vocal cords

• How loud or soft a sound is

• How high or low a sound

• Movement back and forth

High pitch sounds are cause by a .............vibration

• Fast

• Slow

• Hard

• soft

Low pitch sound are caused by a ...............vibration

• Fast

• Slow

• Hard

• Soft

Tags

NGSS.MS-PS4-1

When people talk their vocal cords......

• Vibrate

• Strech

• Swell

• swing

What is volume ?

• How high or low a sound is

• The loudness or softness of a sound

• The number of vibrations per second

• vibrations

A girl whispering to her friend. The volume of her sound is ...

• Loud

• Mute

• Soft

• pitch