Across
- 1. the waxy waterproof layer of a plants leaves
- 5. the type of energy from stretching something
- 8. measurement of how acidic something is
- 10. feather like structure that exchanges gases between water and blood
- 12. steepness
- 13. type of fuel that forms over millions of years
- 16. system of measuring based on the number 10
- 17. when you let something influence your likes or dislikes
- 20. a long period of low precipitation
- 21. a dark igneous rock with fine texture found in the ocean crust
- 22. water diffusing across a cell membrane
- 24. when desert like conditions take over an area that was once fertile
- 26. facts we collect in experiments
- 27. the body system that gets rid of wastes from the blood
- 28. how much mass a substance has per given volume
- 30. the genetic material that carries information about an organism
- 32. particles of minerals that give it texture
- 34. two or more substances that are chemically combined
- 40. no back bone
- 42. the tiny blood vessels where oxygen and CO2 are exchanged
- 43. the final stage of the cell cycle
- 44. the basic particle from which all elements are made
- 46. the symmetry where only one line of symmetry is found
- 47. when a cell engulfs particles
- 48. the largest artery in the body
- 50. only consumes other animals
- 52. a nerve cell
- 53. when one type of energy turns into another type of energy
Down
- 2. rock formed from lava on the earth's surface
- 3. stored energy
- 4. the basic unit of structure and function in living things
- 6. not formed from things that were once alive
- 7. the chemical that lets photosynthesis take place
- 9. an instrument to make small objects look larger
- 11. moving energy
- 14. energy based upon you height above and object
- 15. a tissue that contracts and relaxes to create movement
- 18. a characteristic that helps and animal survive
- 19. a solid in which atoms are arranged in repeating patterns
- 23. a flowering plant that produces seeds enclosed by fruits
- 25. the study of matter
- 29. pouch like organ where food is chemically broken down
- 31. the type of movement that does not require energy
- 33. the type of bond that is created by the attraction that holds two atoms together
- 35. losing your exoskeleton
- 36. type of rock that is formed by particles of rocks being pressed and cemented together
- 37. the color of a minerals powder
- 38. an internal organ where food is softened and stored
- 39. the type of plowing that follows the curves of the land
- 41. the center of a cell or atom
- 45. the type of energy associated with x-rays, light and infrared
- 49. a leaf on a fern plant
- 51. the part of the cell that controls what gets into and out of the cell
