Term 4 Vocabulary

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Across
  1. 1. a mass of gas and ice that revolves around the Sun.
  2. 4. satellite a round celestial body that moves around a planet.
  3. 5. one full spin of an object on its own axis.
  4. 9. Planets are made of gases or ice and are large – Jupiter, Saturn, Uranus and Neptune.
  5. 10. when any object moves around another object.
  6. 12. Planets are rocky and have a small size – Mercury, Venus, Earth and Mars.
  7. 14. band of rocks that revolve around the Sun in a zone between Mars and Jupiter.
  8. 15. telescope uses mirrors, lenses or a combination of both, to catch light waves from objects in space.
  9. 16. bowlshaped features we see on the Moon.
  10. 18. of the Moon the different shapes of the Moon that we see at different times of the month.
  11. 20. plains a flat area.
Down
  1. 2. rocks that have been moving through the Solar System for millions of years.
  2. 3. Square Kilometre Array.
  3. 6. a piece of equipment used to see things far away. A telescope makes objects appear closer as it magnifies the object being looked at.
  4. 7. Body any object found in space like asteroids, planets, moons and stars.
  5. 8. must have a round shape, be large enough and must not go into the orbit of another planet. It must revolve around a star.
  6. 11. telescope uses a dish that collects and concentrates radio waves from objects in space.
  7. 13. South African Large Telescope.
  8. 17. robots that has been used to visit and explore the surface of Mars.
  9. 19. System all of the planets, moons and other objects that move around the Sun.