What is sound?

• is a kind of energy that you hear when something vibrates

• is a kind of energy that helps us see

• is a supermarket

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

When does a piano string make sound?

• when it travels

• when it vibrates

• when it listens

Tags

NGSS.MS-PS4-1

What is the volume?

• how loud or soft a sound is

• how fast it goes

• is a type of sound

How sound the siren of an ambulance?

• soft

• loud

• medium

Tags

NGSS.MS-PS4-1

What causes sound?

• Pitch

• energy when something vibrate

• volume

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What causes a shadow?

• an object blocks light

• a dark spot behind an object blocks light

• light shines on an object

I which room could you see the most objects?

• a room with some light

• a room with low light

• a room with bright light

Which sentences are true about the way light travels?

• light can move around objects

• light can reflect off an object

• light make sound

Tags

NGSS.MS-PS4-2

How do people use light to communicate over distance?

• they use light to make cars stop

• they use light to order food

• they use light to sing

Tags

NGSS.MS-PS4-3

What object make light passes through?

• a black piece of paper

• a clear glass of water

• a metal spoon

Tags

NGSS.MS-PS4-2