Earth, Moon, & Sun Systems

What phase would this moon be in?

• Full

• New

• First Quarter

• Last (Third) Quarter

Tags

NGSS.MS-ESS1-1

When in top view or system view, about how much of the moon is lit up by the sun?

• 100%

• 75%

• 50%

• 25%

Tags

NGSS.MS-ESS1-1

Which side of the moon is lit up?

• The right side

• The left side

• The side facing the Sun

• The side facing away from the Sun

Tags

NGSS.MS-ESS1-1

Light from the sun travels in __________ paths.

• Straight

• Curvy/Wavy

• Circular

Why are there phases of the moon? Check all that apply.

• Earth's orbit around the moon

• Earth casts a shadow on the moon

• The moon's orbit around Earth

• Earth and the moon's orbit around the Sun

Tags

NGSS.MS-ESS1-1

About how long does it take for the Moon to orbit Earth?

• 1 day

• 1 week

• 1 month

• 1 year

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

These are two phases of the moon several days apart. Why are we seeing more light on the moon?

• The Moon has moved so that we can see more of the half that faces the sun.

• The Moon moved closer to the sun so more sunlight reached the Moon’s surface.

• Earth’s shadow moved and was blocking less of the Moon so we are able to see more of it.

Tags

NGSS.MS-ESS1-1

Could the half of the Moon that faces Earth ever be completely dark in any of these diagrams?

• No. The moon is ALWAYS lit up by the sun.

• Yes, always in Diagrams 2 and 3, but never in Diagram 1.

• Yes, always in Diagram 2, but never in Diagrams 1 or 3.

• Yes, always in Diagram 2 and sometimes in Diagram 3.

Tags

NGSS.MS-ESS1-1

Which diagram is most accurate?

• A

• B

• C

Tags

NGSS.MS-ESS1-1

What phase would this moon be in?

• Full

• New

• Quarter

• Crescent

Tags

NGSS.MS-ESS1-1