The Discovery Fair

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Across
  1. 2. to make a careful study of
  2. 4. energy given off in the form of waves or very tiny particles
  3. 5. what most people think of a person or thing
  4. 6. a condition or event that causes or speeds another condition or event
  5. 8. a heavy, soft gray metal that is easy to bend and melt
  6. 9. positions or locations of something
Down
  1. 1. to talk together
  2. 3. able to get the results wanted within a minimum of time or effert
  3. 6. of or relating to a to a topic that causes the exchange of opposing ideas, often with strong feeling
  4. 7. of or relating to a steady, glowing light