A Hot Invention

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Across
  1. 2. normal or most used way of doing something
  2. 5. the man who worked for a company that made tubes called magnetrons
  3. 8. things that happen because something else happened
  4. 10. a new creation or idea
Down
  1. 1. to burst open due to excessive heat
  2. 3. a careful test to see if something is true or if something works
  3. 4. to cost a lot of money
  4. 6. a desire to know about something
  5. 7. Magnetrons used tiny radio waves, called microwaves to _______ planes
  6. 9. the first microwave oven stodd nearly ___ feet tall