The Moon

The Moon

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Multiple Choice

A person would weigh less on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity

• Moon has less mass, and therefore more gravity

• Moon has more mass, and therefore less gravity

• Moon has less mass and therefore less gravity

Multiple Choice

What does the moon not have?

• Craters
• Atmosphere
• Gravity
• Light

Poll

Can we only see the moon at night?

• Yes

• No

Poll

How much of the moon is always lit up by the Sun?

• 25%

• 50%

• 100%

• It changes

Poll

Do people on the other side of the world see the same phase of the moon as us?

• Yes

• No

Observing the Moon

Newton's Law of Universal Gravitation

• attraction between two bodies is directly proportional to the product of their masses and inversely proportional to the square of the distance between the bodies.

• Per the laws of gravitational forces, the the moon is the dominant force affecting the tides on Earth because the Sun is 390 times further away from us than the moon

_{Tidal movements on Earth | Weather (2015, September 27). Retrieved March 28, 2021, from https://emediava.org/lo/1000087912/playlist/3793214016}

Tides

• As the moon pulls on the earth it causes a bulge on opposite sides of the earth. This causes our high tides.

• Perpendicular to the high tides and the pull of the moon we have low tides.

• The Earth rotates on its axis causing us to have two high tides and two low tides each day.

• Earth rotates in and out of the high tide and in and out of the low tides

Moon Phases

Moon Phases

https://pixabay.com/images/id-150852/

Moon Phases

• 1/2 of the moon is always lit up

• We see different phases depending on where the moon is in orbit

• Takes ~29.5 for this cycle

• https://pixabay.com/images/id-150852/

Multiple Choice

Why do we always see the same side of the moon from Earth?

• because the phases change
• because it rotates and revolves at the same rate
• because half of the moon always receives sunlight
• The moon changes positions�

Multiple Choice

It takes about one ________ for the moon to orbit Earth.

• day

• month

• year

• minute

https://pixabay.com/images/id-4969110/

Multiple Choice

What is it called when the moon is getting more lit up throughout the cycle?

• Waning

• Waxing

Cmglee, CC BY-SA 4.0 , via Wikimedia Commons

Multiple Choice

Name the moon phase

• First Quarter
• Last Quarter
• New Moon
• Full Moon

Multiple Choice

Name this moon phase

• Waxing Gibbous
• Waxing Crescent
• Waning Crescent
• Waning Gibbous

Multiple Choice

Name this moon phase

• First Quarter
• Last Quarter
• New Moon
• Full Moon

Multiple Choice

Name this moon phase

• First Quarter
• Last Quarter
• New Moon
• Full Moon

Multiple Choice

Name this moon phase

• First Quarter
• Last Quarter
• New Moon
• Full Moon

Multiple Choice

Name the moon phase

• waning crescent

• waxing crescent

• waning gibbous

• waxing gibbous