Light and Sound

Which form of energy is produced when a lamp is switched on?

• Sound energy

• Electrical energy

• Chemical energy

• Light energy

A flashlight is an example of

• light energy

• kinetic energy

• sound energy

Tags

NGSS.MS-PS4-1

Why do you see often see lightning before you hear the thunder?

• Light travels faster than sound.

• Sound travels faster than sound

• Light is traveling at the speed of light

• The atmosphere does not allow sound to travel

1. Light and sound is a form of ______________.

• energy

• volume

• light

• matter

Tags

NGSS.MS-PS4-2

Because light travels faster than sound, you see ​ (a)   before you hear thunder

• lightning

• rainbow

• fireworks

Match the following figures with what happens when light hits the object.

• F

• Reflects

• H

• Transmitts

• G

• Refracts

• J

• Absorbs

Tags

NGSS.MS-PS4-2

The __________ of a sound depends on the medium through which it's moving.

• pitch

• speed

• vibration

• refraction

Tags

NGSS.MS-PS4-2

White light has all the colors in the visible spectrum. What happens when light hits an object that is black?

• Black objects reflect all the light back to our eyes.

• Black absorbs all the light.

• The object reflects blue light

• The object reflects white light.

Tags

NGSS.MS-PS4-2

Which is an example of light being reflected?

• Seeing yourself in a mirror

• Turning on a flashlight

Tags

NGSS.MS-PS4-2

We see a blue shirt because...

• Blue light is reflected and all the other colors are absorbed.

• Blue light is absorbed and all the other colors are reflected.

• All the colors are reflected.

• All of the colors are refracted.

Tags

NGSS.MS-PS4-2