Across
- 3. to join
- 4. web, a system of overlapping and connecting food chains in an ecosystem
- 9. energy, energy from the sun
- 10. energy, a type of electromagnetic radiation that can be seen
- 11. a material that stops or slows the flow of heat, electricity or sound
- 14. a mixture of two or more substances that are evenly distributed throughout
- 15. resources, resources that can be replaced as they are used
- 19. energy, the energy in an object due to its position or motion
- 20. to soak up or take in
- 23. the place in an ecosystem where an organism
- 24. chain, the sequence that traces food energy in an ecosystem
- 29. the blending of light rays as they pass from one substance to another
- 30. a scientist who studies weather, climate and Earth’s atmosphere
- 33. cycle, the movement of water through Earth’s environment
- 35. a consumer that eats only plants
- 36. the breaking down of rocks by water, wind and ice
- 40. in a solution, the part of the mixture which other substances that are dissolved
- 41. behavior, behavior that is taught or acquired through experience
- 44. to sort objects into groups that are alike in some way
- 46. metamorphosis, the life cycle of an organism whose appearance changes greatly at each of the four stages
- 48. to mix completely with another substance to form a solution
Down
- 1. energy, energy created by charged particles
- 2. a prediction of the weather
- 5. a process by which wind or water drops sediment in new location
- 6. the outside atmospheric conditions
- 7. a structure or behavior that helps an organism survive in its environment
- 8. water that percolates, or drains, through soil and rocks and collects in underground reservoirs
- 12. fuel, a nonrenewable resource formed from the remains of prehistoric plants and animals
- 13. light energy that bounces off a surface
- 16. energy, the energy of moving particles that produce heat
- 17. a property of a material that enables it to be dissolved in or by another substance
- 18. metamorphosis, the life cycle of an organism whose appearance does not change greatly and has three growth stages
- 21. the substance which is dissolved in the solvent
- 22. a physical feature of Earth’s surface
- 25. all living and nonliving things in a certain environment
- 26. small particles of rock, soil, sand or shell deposited by water wind or ice
- 27. circuit, an electrical path with no breaks or gaps
- 28. trait, a trait that occurs in response to the environment
- 31. an organism that receives energy by breaking down dead matter, returning nutrients to the environment
- 32. able to be dissolved in or by a liquid
- 34. a trait or feature
- 37. the movement of sediment by wind, water or ice
- 38. trait, a characteristic passed from parents to offspring
- 39. the study of weather, climate and Earth’s atmosphere
- 42. resources, resources that cannot be readily replaced
- 43. a color, shape or pattern that helps an animal blend into its surrounding
- 45. a property or characteristic of an object such as color, size or shape
- 47. a combination of tow or more substances that keep their own properties