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Vocabulary revision Units 1&2 SPACE
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The force that attracts you to the centre of the Earth.
GRAVITY
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A spacecraft without people that collects information and sends it back to Earth.
SPACE PROBE
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Venus and Earth are called the ... Planets because they're very similar.
SISTER
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Big object that shines in the sky at night and orbits around the Earth.
MOON
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Our planet is ... because it's the only planet where humans, animals and plants live in.
UNIQUE
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This is a/an...
ASTEROID BELT
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This is a/an...
ASTRONOMER
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This is a/an...
GALAXY
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A piece of rock from space that hits the Earth's surface.
METEORITE
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Instrument that you use to look at the sky at night and makes stars appear bigger.
TELESCOPE
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A mass of ice and dust that moves around the sun and looks like a bright star with a tail.
COMET
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The moon's surface is full of...
CRATERS
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A building where scientists can watch the stars using special instruments.
OBSERVATORY
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The yellow part is the Earth's ...
CORE
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