Science Vocabulary

The outermost layer of Earth composed mainly of rock.

• crust

• mantle

• core

• outer core

Gas surrounding Earth made of 78% nitrogen and 21% oxygen.

• lake effect

• greenhouse gas

• atmosphere

• climate

Orbit or movement around the sun.

• rotation

• revolution

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Spinning of a planet on its axis.

• rotation

• revolution

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Earth rotates on this imaginary line.

• diagonal

• axis

• radius

• diameter

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It takes the Earth about one _________________ to revolve around the Sun.

• day

• month

• year

• 100 years

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What causes the sun to look like it moves across the sky

• the rotation of the Earth

• the seasons of the Earth

• the sun revolving around the Earth

• the moon revolving around the Earth

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this is example of light being _______________.

• reflected

• refracted

• absorbed

• bounced off

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What do all the objects below have in common?

•  They all refract light.

•  They all reflect light.

•  They are all conductors.

•  They all make objects appear smaller/

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7.  A boy pushes a cart across the floor.  What is the push most likely to change?

• A.  The mass of the cart

• B.  The shape of the cart

• C.  The position of the cart

• D.  All of the above

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