Across
- 3. "water planet"
- 4. the circular flow of water, electricity, or wind
- 7. the ability to do work
- 9. Energy of a moving object
- 10. the time it takes for Earth to rotate once on its axis
- 11. the amount of water vapor in the air
- 13. the amount of salinity in the water
- 16. highest high tides, lowest low tides
- 17. the shape of Earth's orbit
- 18. one benefits, the other is harmed
- 19. examples: rain, snow, sleet, hail
- 21. measures pressure
- 23. these have a neutral charge
- 24. the movement of air caused by differences in air pressure
- 26. Anything that ever existed
- 27. nutrient-rich water to t he surface
- 28. these have a positive charge
- 29. biome that has little rainfall and extreme cold temperatures
Down
- 1. collection of stars, dust, and gas, bound together by gravity
- 2. the time it takes for the Earth to revolve around the sun once
- 5. a community of organisms and their environment
- 6. Nonliving; Never lived
- 8. lowest high tides, highest low tides
- 12. Earth's natural satellite
- 14. the closest layer of the atmosphere to Earth
- 15. transfer of energy through Direct Contact
- 16. (sun)
- 20. the study of outer space
- 22. heat transfer through electromagnet waves
- 25. through this, electrons cannot flow easily