How well do you know your work?

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Across
  1. 1. Found in your mouth and used for breaking up food
  2. 4. The moon's _______________________ pull has an effect on the Earth's tides
  3. 7. The tide that occurs when there is very little difference between high and low tides
  4. 9. Liquid with a density of 1g/ml
  5. 10. A rocky object that orbits a planet
  6. 11. Earth;s moon is a natural __________________.
  7. 12. A balanced diet should include _____________ portions of fruit and vegetables every day
  8. 14. The first stomach compartment of a ruminant
  9. 15. Organ that stops food from going down your windpipe
  10. 18. Stomach of a bird
  11. 19. Liquid substance in your mouth that helps with digestion
  12. 20. Also known as the large intestine
Down
  1. 2. The prediction you make at the start of a scientific investigation
  2. 3. The term for the weight of a substance in a given volume of the substance
  3. 5. Bringing up food to feed young or aid digestion
  4. 6. A useless organ/pouch found off your large intestine
  5. 8. A mineral you need to make sure your bones stay strong and healthy
  6. 13. The stuff you need in your diet to prevent constipation
  7. 16. Cutting up a newspaper is an example of what kind of change?
  8. 17. Contains a lot of Vitamin C
  9. 21. The phase of the moon when we can't see the moon