Across
- 3. what makes up an organ system
- 4. daily changes in ocean levels due to the pull of the moon
- 7. makes its own food
- 8. eclipse the moon blocks the sun's light from reaching Earth
- 10. Plate _______________ describes large scale movements of Earth's crust
- 13. organisms fight for the same limiting resource(s)
- 14. a fact of science
- 15. a relationship between two organisms
- 16. rock made of bits of rock, dirt, plants put under great pressure
- 17. change over time
- 18. outermost solid layer of earth
- 23. organisms that break down dead organisms
- 25. molecules fairly close, moving fairly fast, takes shape of its container
- 26. boundaries where two tectonic plates collide
- 27. the attraction or the pull of one body for another
- 29. a relationship in which one organism benefits and the other is harmed
- 31. center of an atom or of a cell
- 32. an explanation of a scientific law
- 33. negatively-charged particle circling the nucleus of an atom
- 34. molecules are far apart and moving rapidly, fills all of its container
Down
- 1. formed by hot magma spewing out of the earth
- 2. feeding on another organism
- 5. boundaries of tectonic plates that are moving away from each other
- 6. a group of organisms of the same species living together
- 9. molecules tightly packed and vibrating
- 11. smallest unit of living things
- 12. one organism benefits the other neither is harmed or benefits
- 17. occur at convergent boundaries or transform boundaries
- 19. Father of evolution
- 20. closest planet to the sun
- 21. mass divided by volume
- 22. organism that eats another organism
- 24. rock changed by heat and/or pressure
- 28. rock made in fire, inside the mantle
- 30. can neither be created nor destroyed according to the Law of Conservation of Mass