Earth and Beyond SRMS

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Across
  1. 2. The amount of matter an object contains, measured in 'kg'
  2. 4. The force of attraction exerted by a large mass e.g. a planet
  3. 8. One of four times of the year (winter, spring, summer or autumn)
  4. 10. A star and all the objects that travel in orbit around it
  5. 12. The force acting on an object due to the pull of gravity
  6. 13. a model which proposes that the Sun is at the centre of the solar system
Down
  1. 1. A moon that orbits another body, usually a planet
  2. 3. An eclipse that occurs when the Moon passes directly behind the Earth into its shadow
  3. 5. An object that people have made and launched into orbit using rockets
  4. 6. The appearance of the Moon changing shape in the sky as it revolves around the Earth
  5. 7. A model which proposes that the Earth is at the centre of the solar system
  6. 9. The time taken for a planet to turn once on its axis
  7. 11. An eclipse that occurs when the Moon passes between the Sun and Earth, and fully or partially blocks the Sun