Heat and light energy Grade 3

Which one of these is NOT a source of light?

• a firefly

• a book

• the sun

• a torch

Tags

NGSS.4-PS3-2

NGSS.4-PS4-2

Which source of light is natural?

• fireworks

• light bulb

• lightning

• head lights

Tags

NGSS.MS-LS1-6

A shadow is created when...

• an object blocks the light

• an object lets light pass thru

• an object is above light

Tags

NGSS.5-ESS1-2

What does the moon do?

• produces light
• reflects the suns light
• produces heat

Tags

NGSS.MS-ESS1-1

Light travels in ___________ line

• reflected

• irregular

• wavy

• straight

In what way is the sun’s heat beneficial to humans?

• Good for health

• Provides warmth

• Is source of energy for plant to make food

• All of the above.

Tags

NGSS.MS-LS1-6

Look at the picture. How does light travel?

• Light travels in a straight path.

• Light travels in a zig zag path.

• Light does not move.

• Light travels in a wavy path.

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What do you think is the best thing to do to avoid the harmful effects of the sun?

• Hide from the sun.

• Play only at nightime.

• Stay inside the house.

• Avoid too much exposure to the sun.

What might happen to us without the sun?

• We will live in darkness.

• We will feel cold.

• We will die.

• All of the above.

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What are some problems that we can encounter if we stay under the sun for a long period of time?

I.sun burn II.skin cancer III.cataract IV.chickenpox

• I only

• I and III

• IV only

• I,II and III