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Gravity and
Space
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KS3 Unit 9J Gravity and Space
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Q1. What is the force
acting on an object due
to its mass?
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A1. Gravity
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Q2. What do we call a
huge ball of gas that
emits light?
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A2. Star
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Q3. What orbits a star
and reflects the star's
light?
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A3. Planet
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Q4. What orbits a
planet? (Our moon is
one)
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A4. Satellite
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Q5. What do you call it
when the moon casts a
shadow on the Earth?
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A5. An eclipse
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Q6. What do we call the
path of a planet around
the Sun, or a satellite
around a planet?
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A6. Orbit
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Q7. What is a word that
means everything that
exists everywhere?
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A7. The universe
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Q8. Which planet is
nearest the Sun?
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A8. Mercury
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Q9. Name the hot planet
with acidic clouds,
second closest to the
Sun?
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A9. Venus
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Q10. Name our home,
the third planet from the
Sun
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A10. Earth
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Q11. Name the red
planet with canyons,
volcanoes and polar ice
caps?
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A11. Mars
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Q12. Name a huge
gassy planet with a giant
red spot?
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A12. Jupiter
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Q13. Name a gassy
planet with a spectacular
ring system
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A13. Saturn
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Q14. Name the third
largest planet in our
solar system, seventh
furthest from the Sun?
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A14. Uranus
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Q15. Name a pale blue
planet, the outermost of
the gassy planets in our
solar system?
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A15. Neptune
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Q16. Name the planet
that is usually furthest
from the Sun?
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A16. Pluto
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Q17. What do we call
the small lumps of rock
or metal that move
around the Sun, mainly
between Mars and
Jupiter?
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A17. Asteroids
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Q17. What do we call a
group of millions of
stars?
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A17. Galaxy
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Q18. What do we call it
when the gravitational
forces on an object in
space are balanced?
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A18. Weightlessness
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Well Done!
Now check your score
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