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6. How many planets are there?

  • 8
  • 10
  • 9
  • 7

7. what is a compass?

  • A piece of magnetic metal.
  • A small magnet that points towards the Earth's North pole.
  • A small, circular disc containing an arrow which points North.
  • Any magnet that points South.

8. What is the gravitational field strength of Earth?

  • 20
  • 1
  • 10
  • 3.7

9. What is gravity?

  • The pull towards something.
  • The force of attraction between two masses.
  • The force of gravity between two masses.
  • The force of attraction between three masses.

10. What happens if you place a magnetic material near a compass?

  • They will change the direction the compass points.
  • They have no effect.
  • They will make the compass spin.
  • The compass turn slowly in any direction.

11. What is mass?

  • Its heaviness
  • The amount of 'stuff' in an object
  • The amount of force it applies on a surface
  • Weight x gravitational field strength

12. What is weight?

  • The heaviness of it
  • Mass x gravitational field strength
  • Its size
  • Its density

13. What is the gravitational field strength of Mars?

  • 4
  • 3.7
  • 10
  • 50

14. Name all of the planets in order from the sun -

  • Venus, Mercury, Mars, Earth, Jupiter, Saturn, Uranus, Neptune
  • Venus, Mercury, Mars, Earth, Saturn, Jupiter, Uranus, Neptune
  • Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
  • Mercury, Venus, Mars, Earth, Jupiter, Saturn, Uranus, Neptune

15. What are the two ends of a bar magnet called?

  • The pushing pole and the pulling pole.
  • The red pole and the blue pole.
  • The north-seeking pole and the south-seeking pole.
  • The left pole and the right pole.

16. What formula is used to determine an object's weight on different planets?

  • M = g x w
  • W = m x g
  • G = g x w
  • M = w x g

17. What keeps all of our planets moving in elliptical orbits?

  • The universe
  • Gravity
  • The sun's gravity
  • Space

18. The moon is a/n _________ of the Earth.

  • Follower
  • Satellite
  • Reflektor
  • Orbiter