Unit 1 Lesson 1 & 2 Sun-Earth-Moon System & Moon's Phases

What causes the Moon to revolve around Earth?

• Earth's gravity

• The Sun’s gravity

• Earth’s rotation

• The Moon’s lack of gravity

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What causes the moon to change phases?

• its smaller diameter

• its rotation on its axis

• Its movement around Earth

• Earth’s gravitational pull

Tags

NGSS.MS-ESS1-1

The Moon’s phase is waning when it changes from_______

• First quarter to a full moon.

• First quarter to a new moon.

• Waxing gibbous to waning gibbous

• Last quarter to a new moon.

Tags

NGSS.MS-ESS1-1

Because the Moon’s periods of rotation and revolution are the same, it__________.

• Rotates backwards.

• Never really moves.

• Keeps the same side always facing Earth.

• Has a gravitational pull greater than the Earth

Tags

NGSS.MS-ESS1-1

Which is true in relation to the diagram?

• D: A full moon occurs when all of the Moon’s surface reflects light of earth.

• G: The first quarter moon occurs about a week after the new moon.

• F: The waxing crescent can be seen about 24 hours after the new moon.

• A: The new moon cannot be seen, since it’s dark side faces Earth.

Tags

NGSS.MS-ESS1-1

In which position would a person on Earth see a full moon?

• A

• B

• C

• D

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NGSS.MS-ESS1-1

In which positions would a person on Earth see a moon in the waxing phases?

• ABC

• BCD

• CDE

• DEF

Tags

NGSS.MS-ESS1-1

In which position(s) would a person on Earth see a moon in the waning phases?

• EFG

• BDE

• CEG

• ACD

Tags

NGSS.MS-ESS1-1

In which position would a person on Earth see a third quarter moon?

• D

• E

• F

• G

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NGSS.MS-ESS1-1

What phase of the moon is this?

• new mooN

• full moon

• first quarter

• third quarter

Tags

NGSS.MS-ESS1-1