Light vs Sound

Which forms of energy are produced by a light bulb?

• heat and light energy

• light and sound energy

• heat and mechanical energy

• light and nuclear energy

Which form of energy travels faster than anything in the universe?

• electrical energy

• sound energy

• heat energy

• light energy

Which form of energy travels in waves?

• light energy

• sound energy

• both light and sound energy

• no form of energy travels in waves

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What form of energy must travel through matter (solid, liquid, gas)

• light energy

• sound energy

• both light and sound energy

• no form of energy can travel through matter

Tags

NGSS.MS-PS4-2

Sound travels fastest through this type of matter.

• solid

• liquid

• gas

• water

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

__________________ means to bounce back light.

• reflect

• refract

• absorb

• echo

Tags

NGSS.MS-PS4-2

___________________ means sound reflecting off a surface or other material.

• reflect

• refract

• abosorb

• echo

Tags

NGSS.MS-PS4-2

If a tree falls in a forest and no one is there to hear it, does it make a sound?

• No, because the molecules vibrating will not reach our ears.

• Yes, because sound is caused by vibrations. A tree falling would make a BIG vibration and cause sound waves to travel through the forest.

Tags

NGSS.MS-PS4-1

Is there sound in space?

• No, because sound needs matter to travel through, and there is no matter in outer space.

• Yes, because outer space has an atmosphere like Earth.

Tags

NGSS.MS-PS4-2

Is there light in outer space?

• No, because light need matter to travel through.

• Yes, because light doesn't need matter to travel through.

Tags

NGSS.MS-PS4-1