The Science Fair Gadget

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Across
  1. 3. A very useful piece of equipment.
  2. 5. When you show someone how something works.
  3. 8. It's a new thing.
  4. 9. Water and milk are examples of this.
Down
  1. 1. When you talk when someone else is talking.
  2. 2. When you see how long and wide something is.
  3. 4. Another word for angry.
  4. 5. Everything went wrong.
  5. 6. The opposite of patient.
  6. 7. The opposite of well.