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6. How many planets are there?
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?
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?
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