Physical Science - Review Crossword

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Across
  1. 2. This type of variable remains unchanged. Sometimes also called a constant
  2. 4. A simple machine that is made up of an arm and fulcrum (or fixed pivot).
  3. 6. 45 ____ is the optimal angle to launch a projectile for maximum distance
  4. 8. We had a contest/lab to design a paper ___ that would fly the farthest.
  5. 10. Term for stored energy.
  6. 14. This variable in an experiment is the result or measured response variable.
  7. 16. This variable is the one you choose to manipulate/change.
  8. 17. On Fridays we always play this in class.
  9. 19. An ancient military device to launch projectiles. We built mini ones in class!
  10. 20. Calculated by distance divided by time.
  11. 21. Scientific unit for measuring distance
Down
  1. 1. The measure of how much space on object takes up
  2. 3. Energy can neither be created nor _____.
  3. 5. An element of an experiment that could potential be changed.
  4. 7. Any device the makes work easier by changing the force.
  5. 9. At the beginning of the block we had a contest to see who could build the tallest ____ tower.
  6. 10. A rough early draft of an engineering project; often built smaller or cheaper for proof of concept.
  7. 11. Term for the energy of motion.
  8. 12. Speed + a directional indicator.
  9. 13. A ____meter is equal to 1/100th of a meter.
  10. 15. he application of the principles of science and mathematics to solve real world problems and to innovate new products and processes across a wide range of industries and applications.
  11. 18. Attractive force that works on all things with mass. Pulls you towards the center of Earth too!