3.2 How have First Nations Peoples used Minerals?

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Across
  1. 3. A substance that holds other materials together to form a cohesive whole.
  2. 4. Axe heads were often secured using twine and thermoplastic __________.
  3. 5. Softer minerals, like ochre, were used to make __________.
  4. 8. Ochre comes in a range of colours from dark chocolate brown to lighter browns, reds, oranges, ___________ and whites.
  5. 10. Some of the most common and useful tools were grinding stones, _______ ________,and knives.
  6. 12. There are ___________ about who can wear or work with certain ochre colours.
  7. 13. Iron oxide is a dark red solid that exists as the mineral _____________ and is the main component of rust.
  8. 14. _________ structure can determine hardness of a mineral.
  9. 17. Red and brown ochres have higher concentrations of _______ _________.
  10. 18. Greenstone axe heads were highly valued and have been found ___________ of kilometres from where they were created.
  11. 19. A substance that becomes plastic when heated and hardens when cooled, and can do this repeatedly.
Down
  1. 1. Yellow and whit ochres often have the mineral ___________ and less metal oxides.
  2. 2. A dark, fine-grained metamorphic rock known for its distinct green colouring and hardness
  3. 6. ___________ is from Central Victoria and dates back to the Cambrian period.
  4. 7. Ochres are often mixed with a binding agent like the sap from the _________ _________.
  5. 9. _________ have been used as tools and in tool making
  6. 11. Movement of __________ _________ created greenstone.
  7. 14. Crystalline means having the structure and form of a __________.
  8. 15. Greenstone was often used to make _____ _______.
  9. 16. Ochre is mixed with _________ to make paint for ceremonial purposes.