Science 8th Grade Review

Edit Answers
1234567891011121314151617181920
Across
  1. 2. Factor in an experiment that remains the same
  2. 3. Mammals
  3. 6. Natural resources are saved, and damage to the environment is reduced by reducing, reusing, and _____
  4. 8. Passing on of traits from parents to offspring
  5. 10. The act of watching and recording what occurs.
  6. 11. Variable measured or observed during an experiment
  7. 12. Muscle contractions that move food to the small intestine
  8. 13. Different forms a gene has for a trait
  9. 14. Variable that is manipulated or changed by investigator
  10. 16. A factor that seems to disappear
  11. 17. Either supports or does not support an experiment
  12. 19. Temperature
  13. 20. A factor that covers up another factor
Down
  1. 1. When there are two alleles that are exactly the same
  2. 4. Piling up grass and leaves so they can decompose
  3. 5. Study of heredity
  4. 7. Logical conclusion based on available information or evidence
  5. 9. Ability to maintain constant internal conditions even when external conditions change
  6. 15. A statement about what will happen next in a sequence of events.
  7. 18. When forests disappear, ___ May also disappear