8th Grade Science Review

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Across
  1. 2. makes up 10% of your grade
  2. 3. occurs when one celestial body moves into the shadow of another
  3. 4. we had 4 this year
  4. 6. caused by Earths 23.5 degree tilted axis as it orbits the Sun
  5. 9. primary job is to deliver oxygen and nutrients to your cells and organs, while carrying away waste products like carbon dioxide so the body can get rid of them
  6. 11. a simple grid used in genetics to predict the probability of offspring inheriting specific traits from their parents
  7. 12. made up of the brain, spinal cord, and nerves
  8. 13. a form of electromagnetic, transverse wave that carries energy
  9. 15. a traveling disturbance that transfers energy from place to place without transferring matter
  10. 16. two bean-shaped organs that act as your body's filtration system
  11. 17. makes up 25% of your grade
  12. 18. makes up 15% of your grade
  13. 19. small segments of DNA that contain the specific instructions your body needs to build proteins
  14. 20. makes up 20% of your grade
Down
  1. 1. imaginary vertical lines (meridians) used to measure distance in degrees east or west of the Prime Meridian
  2. 5. the tiny microscopic gap between two neurons (nerve cells
  3. 6. mechanical waves caused by vibrations that transfer energy through a medium (solid, liquid, or gas)
  4. 7. makes up 30% of your grade
  5. 8. the process where organisms better adapted to their environment tend to survive and produce more offspring
  6. 10. the process where cells convert glucose (food) and oxygen into energy (ATP), releasing carbon dioxide and water as waste
  7. 14. the imaginary horizontal lines used to measure a location's distance in degrees north or south of the Equator