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UNIT 4الصفحات الى داخلة في الهيكل-

12-13-28-31-35-60-74-75-76-

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factors affect on the strength of the earth’s gravity

mass

distance

Earth’s Gravity

is the attraction between any objects and earth

Affects

Moon gravity

causes

meteor

meteorite

a space rock that hits Earth’s surface

a space rock that enters Earth’s atmosphere

tides

regular rise and fall of ocean water along the shore

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Total mass

distance

less

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tide

crater

Student support

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phases

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The location of sun determine length of shadow . When sun low in sky will make longer shadow of objects . But if sun high in sky will make short shadow of object .

Always move from east to west so the location of shadow will change .

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Student support

Mercury

Venus

Earth

Mars

Jupiter

Saturn

Uranus

Neptune

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Earth

universe

Solar System

Milky Way galaxy

Milky Way galaxy

universe

Solar System

Earth

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What object in the solar system separates the inner planets from the outer planets?

A-asteroid belt

B-Sun

C-Mars

D-Jupiter

Which of the following statement describes the main differences between the inner and the outer planets

A-The inner planets are larger and closer to the sun.

B-The inner planets are smaller and farther from the sun.

C-The inner planets are smaller and closer to the sun.

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What is the Sun?

  1. a star

b) a planet

c) a moon

Our galaxy is known as…

a) the Milky Way

b) a chocolate bar

c) a milkshake

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B

D

C

A

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