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15
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What does an object’s gravity pull things towards?
It pulls everything towards the centre of the object.
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lifesaver
Give 25 points!
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magnet
Take 10 points!
Okay!
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gift
Win 25 points!
Okay!
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banana
Go to last place!
Oops!
15
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What does “spherical” mean?
It means having the same shape as a ball.
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lifesaver
Give 10 points!
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shark
Other team loses 10 points!
Okay!
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gift
Win 15 points!
Okay!
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baam
Lose 15 points!
Oops!
15
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Why is the Moon’s gravity weaker than Earth’s?
Because the Moon is smaller and has less mass.
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15
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What is the Earth made of that gravity pulls inward?
Rock (and other materials).
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15
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What is the Earth made of?
The Earth is made of rock, water, and air.
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15
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What is the Sun made of?
The Sun is made of gas.
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15
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Why are the Earth, the Sun and the Moon spheres?
Because gravity pulls everything towards the centre.
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15
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What is the Moon made of?
The Moon is made of rock.
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baam
Lose 5 points!
Oops!
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gift
Win 15 points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 10 points!
Oops!
15
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Why is the Sun’s gravity much stronger than Earth’s?
Because the Sun is much bigger and has more mass.
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15
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Why do scientists use computer models?
To study and find out about things like the human body, weather and space.
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15
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If an object has more mass, how is its gravity?
The more mass an object has, the stronger its gravity.
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15
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What does every object with mass have?
Gravity
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15
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What does the Earth’s gravity pull towards the centre?
Everything, even itself.
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