Week 1 Science crossword

12345678910
Across
  1. 3. go from one place to another in a steady stream, typically in large numbers.
  2. 4. Earth's rigid outer zone made up of tectonic plates
  3. 7. a fuel that is formed from the decomposition of dead animals and plants over millions of years
  4. 8. the layer of gas that surrounds Earth and is 600km thick
  5. 9. all of the living things on Earth
  6. 10. the chemical element of atomic number 6, a non-metal which has two main forms (diamond and graphite)
Down
  1. 1. the process that plants use to make glucose from carbon dioxide and water
  2. 2. a measure of the ability to do work
  3. 5. all the water on Earth
  4. 6. the emission of energy as electromagnetic waves or as moving subatomic particles, especially high-energy particles which cause ionization.