Forces and movement on earth and beyond Two

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Across
  1. 3. System The Sun and all the planets, moons, and other objects that move around it.
  2. 5. To stay on top of a liquid without sinking.
  3. 7. To become different, such as speed or direction.
  4. 9. The star at the centre of our Solar System.
  5. 10. When forces acting on an object are equal, so it stays still or moves at the same speed.
  6. 11. Large objects that move around a star, like Earth around the Sun.
Down
  1. 1. The curved path one object takes around another in space.
  2. 2. The amount of space an object takes up.
  3. 4. A natural object that orbits a planet.
  4. 6. To increase speed or move faster.
  5. 8. When forces are not equal, causing a change in movement.