7th Grade Science

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Across
  1. 3. The study of heredity
  2. 6. Speed in a certain direction
  3. 7. The transfer of heat through direct contact
  4. 8. A push or pull on an object
  5. 10. The force that pulls objects toward Earth
  6. 12. A force that slows motion between two surfaces rubbing together
  7. 13. The organelles that release energy from food
  8. 14. A tool used to measure air pressure
  9. 15. The basic unit of life
  10. 18. The body system responsible for breathing
  11. 20. The molecule that carries genetic information
Down
  1. 1. The layer of gases surrounding Earth
  2. 2. Energy of motion
  3. 4. The control center of a cell
  4. 5. The process of water vapor cooling into liquid droplets
  5. 9. A trait that masks another trait
  6. 11. A chart used to predict genetic outcomes
  7. 16. A violently rotating column of air touching the ground
  8. 17. A group of organs working together
  9. 19. Water that falls from clouds to Earth as rain, snow, sleet, or hail