8th Grade Science

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Across
  1. 2. Atoms chemically combined.
  2. 4. Tendency of an object to resist changes in motion.
  3. 5. Fundamental unit of all living things.
  4. 10. Path for electric current.
  5. 11. Coming closer together
  6. 13. Attractive force between objects.
  7. 14. Material with mass/volume.
  8. 17. Major regional ecological areas.
  9. 18. Layer of gases surrounding a planet.
Down
  1. 1. A change in an organism's DNA.
  2. 2. A process altering a substance's chemical composition.
  3. 3. Object that attracts iron/steel
  4. 6. Resistance between surfaces.
  5. 7. The speed of an object in a specific direction
  6. 8. the biological process by which new individual organisms are produced
  7. 9. Moving apart in different directions
  8. 12. Natural selection drives adaptation
  9. 15. Movement of soil/rock by natural forces.
  10. 16. Ancient super-continent joining all Earth's landmasses together
  11. 18. The basic unit of matter containing protons, neutrons, and electrons.