Across
- 5. can be reversed; not a new substance
- 8. long term weather; average weather
- 10. ecosystem located by equator
- 13. mass is same before and after a change
- 14. thunderstorm cloud
- 17. instrument that measures wind direction
- 20. examples are all plants and animals
Down
- 1. examples are hot water/air rises; cool sinks
- 2. instrument that measures air pressure
- 3. distance divided by time
- 4. rubbing force in opposite direction
- 6. instrument that measures wind speed
- 7. newton's first law of motion
- 9. person who studies the weather
- 11. rays and waves cause heat transfer
- 12. downward force toward the center of the earth
- 14. can't be reversed; creates new substance
- 15. examples are bacteria, amoeba, paramecium
- 16. day to day weather
- 18. direction all heat transfers
- 19. lakes, rivers, streams, oceans
- 21. fair weather wispy clouds; made of ice crystals