Across
- 3. resource Resource that cannot be replaced quickly
- 5. A closed path through which electricity flows
- 7. A test to investigate a hypothesis
- 9. State of matter with definite shape and volume
- 11. fuel Energy resource formed from remains of ancient organisms
- 12. The smallest unit of matter that makes up everything
- 14. Force that pulls objects toward Earth
- 17. method Steps used to solve a problem or answer a question
- 18. transfer Movement of energy from one place to another
- 19. Measure of how hot or cold something is
- 21. An educated guess that can be tested
- 23. Summary of what was learned
- 28. Process where gas changes into liquid
- 29. Transfer of heat through direct contact
- 30. Water that falls to Earth as rain, snow, sleet, or hail
- 33. Mass per unit volume
- 35. A representation used to explain something
- 36. The way something is built
- 37. Something that repeats in a predictable way
- 38. Anything that has mass and takes up space
- 39. and effect Relationship between an action and its result
- 40. Force that attracts or repels certain materials
- 45. Transfer of heat through movement of fluids
- 46. A wheel with a rope used to lift objects
- 48. Information collected during an experiment
- 49. Amount of space an object takes up
- 50. Flow of electric charge
Down
- 1. A group of parts that work together
- 2. resource Resource that can be replaced naturally over time
- 4. Transfer of energy through waves
- 6. Average weather over a long period of time
- 8. plane A slanted surface used to raise objects
- 10. A bar that pivots on a fulcrum
- 13. Force that slows down motion between surfaces
- 15. Material that does not allow energy to pass through easily
- 16. Conditions of the atmosphere at a certain time and place
- 20. Relative size or distance of something
- 22. machine Device that makes work easier
- 24. The job something does
- 25. Material that allows energy to pass through easily
- 26. cycle Continuous movement of water on Earth
- 27. A push or pull on an object
- 31. The part of an experiment that does not change
- 32. Information gathered using senses
- 34. A factor that can change in an experiment
- 38. Amount of matter in an object
- 41. State of matter with no definite shape or volume
- 42. How fast an object moves
- 43. energy Energy from the Sun
- 44. State of matter with definite volume but no fixed shape
- 47. Process where liquid changes into gas
