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WARM UP The Earth’s Movement: Putting it all Together In at least 3 COMPLETE sentences: Explain how the Earth’s movement affects us (HINT: Think about days, your age, years, seasons, and day/night)

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WARM UP. The Earth’s Movement: Putting it all Together In at least 3 COMPLETE sentences: Explain how the Earth’s movement affects us (HINT: Think about days, your age, years, seasons, and day/night). Warm Up Possible Responses. Seasons: Revolution+Tilt=Seasons - PowerPoint PPT Presentation

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Page 1: WARM UP

WARM UP• The Earth’s Movement: Putting

it all Together• In at least 3 COMPLETE

sentences:• Explain how the Earth’s

movement affects us (HINT: Think about days, your age, years, seasons, and day/night)

Page 2: WARM UP

Warm Up Possible Responses

• Seasons: Revolution+Tilt=Seasons• Our Age: Earth’s revolution= 1 year• Day/Night: As the Earth rotates, it

changes from day to night.

Page 3: WARM UP

A look at our nearest neighbor in Space!

The Moon

Free powerpoints at http://www.worldofteaching.com

Page 4: WARM UP

What is the Moon?• A natural satellite

(something that orbits a planet)

• One of more than 96 moons in our Solar System–For example, Jupiter has

63 moons!• Planet Earth only has one

moon, so we call it THE Moon.

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The Moon’s Surface

• No atmosphere• No liquid water• Extreme

temperatures– Daytime = 130C

(265°F)– Nighttime = -190C

(-310 F)• 1/6 Earth’s gravity

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The moon revolves around the Earth.The Earth revolves around the Sun.

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How Can We See the Moon?• Sunlight shines on the

moon!–Just like Earth, the moon

has a “day” and “night”–The sun shines on only half

of the moon at one time.

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It’s Just a Phase• Moonlight is

reflected sunlight• Half the moon’s

surface is always reflecting light

• From Earth we see different amounts of the Moon’s lit surface

• The amount seen is called a “phase”

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It takes 29 days (about 1 month) tocomplete the phases of the moon one time.

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earth

moon orbit`searth

last (third)quarter

gibbous moon

full moon

gibbous moon

first quarter

crescent

new moon

crescent

waning Moon

waxing Moon

SUN

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Waxing and Waning• As the moon revolves around the

sun, we see different amounts of the “lit up side”

• When we see MORE of the lit side, it’s WAXING

• When we see LESS of the lit side, it’s WANING

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Right Light, Waxing• WAXING: When we start to see

MORE of the lit side of the moon• The moon starts to look “bigger”

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Left Lit, Waning• WANING: When we start to see

LESS of the lit side of the moonWhen the moon starts to look“smaller”

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Why does the moon have phases?

• The revolution of the Moon around the Earth causes the Moon to appear to have phases.

NSF North Mississippi GK-8

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8 Phases of the Moon• New Moon

• Waxing Crescent

• First Quarter

• Waxing Gibbous

• Full Moon

• Waning Gibbous

• Third Quarter

• Waning Crescent

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New Moon• The moon is not

visible from Earth. The moon is between the Sun and the Earth.

• The dark side is facing us.

• This phase lasts one night.

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Waxing Crescent• Waxing means that the

bright side is increasing. The right side is the bright side.

• Less than one half of the moon is illuminated.

• This phase includes any visible moon from a small sliver to almost half.

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First Quarter • The entire right side of the moon is illuminated.

• The moon looks like a half circle.

• The illuminated side is increasing.

• This phase only lasts one night.

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Waxing Gibbous• Gibbous means that

more than one half is visible, but it is not quite full.

• This phase includes the night after the first quarter to the night before the full moon.

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Full Moon • The moon is full and bright. It looks like a large circle.

• The illuminated side is facing us.

• Only happens once every 29 nights.

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Waning Gibbous • The moon appears more than half but not quite full.

• Waning means that the illuminated side is decreasing.

• The left side is the bright side.

NSF North Mississippi GK-8

Page 25: WARM UP

Last Quarter or Third Quarter• Left Half of the

moon is illuminated.

• The illuminated side is decreasing.

• This phase also only lasts for one night.

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Waning Crescent

• Less than one half of the moon is illuminated.

• The moon will continue to become smaller and smaller.

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New Moon• The moon is not

visible from Earth. The moon is between the Sun and the Earth.

• The dark side is facing us.

• This phase lasts one night.

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Waxing Crescent• Waxing means that the

bright side is increasing. The right side is the bright side.

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NSF North Mississippi GK-8

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FULL

QUARTER

CRESCENT

GIBBOUS

FOUR MAIN SHAPES

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Name this phase!

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Name this phase!

Full Moon

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Name this phase!

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Name this phase!

Waning Gibbous

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Name this phase!

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Name this phase!

Waning

Third Quarter

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Name this phase!

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Name this phase!

Waxing

First Quarter

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Name this phase!

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Name this phase!

Waning Crescent

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Name this phase!

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Name this phase!

Full Moon

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Name this phase!

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Name this phase!

New Moon

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Name this phase!

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Name this phase!

Waning Gibbous

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Name this phase!

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Name this phase!

Waning Crescent

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Tonight’s Moon…?

Homework: Tonight, go outside and find the moon.

What phase is it in?

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Far Side of the Moon• First seen by Luna 3

Russian space probe in 1959

• Surface features different from near side– More craters– Very few maria– Thicker crust