Science Review AZ Standard

The thing which give off light are called light source.

• True

• False

Which of these object is natural light source?

• moon

• flashlight

• Sun

• campfire

What is the correct order of what happens when our eyes see the flower in the picture:

1. the light bounces off

2. the light enters the boy's eyes

3. the sunlight hits the flowers

• 1-2-3

• 2-1-3

• 3-1-2

• None of these

Tags

NGSS.MS-LS1-8

This graph shows how the light intensity changes as the distance from the light source increases.

What is the light intensity at 30 cm from the light source?

• 2000 lux

• 4500 lux

• 1500 lux

• 550 lux

For a shadow to form, there must be a ....

• light circuit

• light intensity

• light source

• bright light

If your shadow is in front of you, the sun is ... you.

• beside

• behind

• in front of

• between

Tags

NGSS.5-ESS1-2

Look at the picture! When the ball is further from the light source, the shadows is ....

• smaller

• bigger

• longer

• shorter

Tags

NGSS.4-PS4-2

It is early morning and the sun has just risen. Which picture shows the correct shadow?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-1

The center of our solar system is sun.

• True

• False

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

The earth spins on its ....

• axis

• curve

• east

• west

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS2-6