Science week crossword by Kirra McCarthy

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Across
  1. 3. a set of things working together
  2. 4. The study of objects/ materials and sources
  3. 8. When u test a scientific hypothesis
  4. 9. Holds Planets, Galaxies, stars, moons and another word for it is known as Space
  5. 10. How much an object weighs
  6. 11. An activity or study of structure and behaviour of the physical and natural world
  7. 12. The study of living things
Down
  1. 1. The nature and properties of matter and energy
  2. 2. A transparent object that refracts light
  3. 5. The study of chemicals and reaction
  4. 6. When light passes through water and splits into the light spectrum
  5. 7. When something if reflected