Light and Heat Energy

Which picture best illustrates how light travels from a car's headlights?

• Car A

• Car B

• Car C

• Car D

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

A shiny aluminum screen can be placed on the windshield of a parked car. This screen helps to keep the car cool because it—

• reflects the sunlight

• absorbs heat

• causes evaporation

• conducts electricity

Tags

NGSS.MS-PS3-3

NGSS.MS-PS4-2

When light cannot pass through an object, we say that that object is ____ .

• opaque

• transparent

• translucent

• translated

Tags

NGSS.MS-PS4-2

How do molecules move in a hot object?

• they don't move

• slowly

• quickly

• normal speed

Tags

NGSS.MS-PS1-4

Shay plugs in her computer. When she places it on her lap, she notices it is hot. What is the source of heat?

• sun

• friction

• mixing objects together

• electricity

Maya is playing outside in the snow. Her hands get cold so she takes off her mittens and rubs her hands together. What will happen?

• Her hands will create electrical energy

• Her hands will trap heat from the sun

• Her hands will create friction, which will create heat

• Her hands will create light energy

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

When light can easily pass through an object, we say that that object is ___ .

• transparent

• translucent

• opaque

• transported

Tags

NGSS.MS-PS4-2

___________ materials do not allow light waves to pass through.

• Opaque

• Transparent

• Translucent

Tags

NGSS.MS-PS4-2

What is NOT a source of heat?

• rubbing something together quickly

• the sun

• electricity

• sweating

Which is a source of heat energy we cannot live without?

• fuel

• sun

• food

• light bulbs