Future crossword

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Across
  1. 1. The investigation into the study of sources in order to establish facts and reach new conclusions
  2. 4. It is used as a source of energy
  3. 8. Relating to the whole world; worldwide
  4. 9. The surroundings or conditions of which a person, plant or animal lives or operates
  5. 10. The chemical element with the atomic number 6, a non-metal with two main forms, diamond and graphite
  6. 11. Power derived from the utilisation of physical or chemical resources
Down
  1. 2. Ensuring that the resources we use are available for future generations
  2. 3. Large change in the world's temperature over a short period of time
  3. 5. Machinery or equipment developed from the application of science knowledge
  4. 6. A turbine having a large vaned wheel rotated by the wind to generate electricity
  5. 7. Relating to or denoting energy derived from the sun's rays