Science

1234567891011121314
Across
  1. 4. a blanket of gases, which surrounds the Earth. It is mostly nitrogen and oxygen, which supports life in Earth.
  2. 8. this sphere includes all the water on the Earth, including oceans, lakes, rivers rain and mist.
  3. 9. rocks that are formed from pre-existing rocks or pieces of once-living organisms.
  4. 12. basic unit of life that is responsible for all of life's processes
  5. 13. animals that don't have a backbone
  6. 14. the gradual destruction of something by natural forces
Down
  1. 1. this sphere includes the area that contains all life.
  2. 2. this sphere includes the earth’s crust, landforms, and rocks, soil. It is mostly solid rock is hard and contains many minerals.
  3. 3. It is an invisible force which makes us and all other objects fall towards the Earth.
  4. 5. preserved remains, or traces of remains, of ancient organisms
  5. 6. a rock that is formed through the cooling and solidification of magma or lava.
  6. 7. the breaking down or dissolving of rocks and minerals on Earths surface.
  7. 10. a contact force which always pushes in the opposite direction to the way an object is moving
  8. 11. animals that have backbones