Solar cooking

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Across
  1. 4. very thick paper that is usually used for making boxed.
  2. 5. slowly take in
  3. 7. a piece of kitchen equipment, usually containing an oven, used to cook food.
  4. 11. a nation that is economically weak but growing.
  5. 13. to cause (someone) to stop breathing by squeezing the throat
  6. 14. a piece of equipment that is used to cook food.
  7. 15. either one of the two organs that people and animals use to breathe air
  8. 16. movable; capable of being carried or moved around.
  9. 17. refers to something that is of or related to the sun
  10. 19. to be carried or transferred by water
  11. 21. the way something feels according to sense of taste or touch.
Down
  1. 1. a scientist who studies very small living things, such as bacteria.
  2. 2. an agency of the United Nations that works to improve global health conditions.
  3. 3. a soft substance used in candles.
  4. 6. to heat something at a controlled temperature in order to kill disease-causing elements is to......
  5. 8. is a hard, black substance that is burned for energy.
  6. 9. is a meeting of people to lean more about a particular subject.
  7. 10. one of the people who started an organisation; the first in group
  8. 11. the cutting down of trees in large areas.
  9. 12. the degree of thickness, softness, etc.
  10. 18. turn from a solid into something soft or liquid.
  11. 20. substances that release energy when burned