Lesson 2 - Oxygen

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Across
  1. 1. This is the seed of an oak tree, often comes with a tiny hat.
  2. 4. The part of a cactus that sticks outwards is called the ______
  3. 8. This food is often associated with Italy, and is made with wheat flour.
  4. 9. What is the middle of a flower called, the part that holds it up?
  5. 12. These plants live underwater.
  6. 13. This green plant can survive wildfires and droughts.
  7. 14. What plant can eat insects?
  8. 16. What do plants create that we need to breathe in?
  9. 17. What do we usually put plants in to keep them in a house?
  10. 18. This plant feeds a lot of the eastern world, it can be made into noodles.
Down
  1. 2. What part of a leaf cell makes it green?
  2. 3. These plants have thorns to protect them from snails.
  3. 5. Which plant has spikes to protect itself?
  4. 6. What liquid do the roots of a plant absorb?
  5. 7. This plant feeds a lot of the western world, it gets made into bread.
  6. 10. What are the big green bits at the side of a plant called?
  7. 11. What are the bits underneath the soil of a plant called?
  8. 13. Plants are grown on the ISS, to test if they can grow with no ______
  9. 15. What do plants need in order to make oxygen?
  10. 16. If you plant an acorn, one day it will grow into a ____ _____