Across
- 1. nulear energy -> radiant energy -> ___________ energy
- 3. the shape that planets travel in around the Sun
- 5. the kind of rock that forms through intense heat and pressure
- 9. the average weather in an area over a period of time
- 11. the breakdown of rocks into smaller pieces
- 12. an air mass that brings cool and dry air
- 14. a harmful greenhouse gas that increases with transportation, deforestation, and industrial burning of fossil fuels
- 15. the practice of using something for a new purpose
- 16. the permanent removal of a forest by cutting down trees
- 18. the movement of sediments from one area to another
- 20. the practice of using something again
- 21. the maximum number of individuals a population can support
- 22. a kind of energy that is better for the environment that comes from the Sun\
- 25. a kind of species that is nonnative and harms native species
- 26. a storm that forms over warm water
- 28. what powers stars like the Sun
- 29. the process of water soaking into the soil that, when it slows or stops, might lead to flooding
- 31. process in the mantle that moves tectonic plates
- 32. the biggest object in astronomy
- 33. the reason for Earth's seasons
Down
- 2. a process in the ocean that moves heat from the equator to the poles
- 3. the point on the surface above the focus of the earthquake
- 4. tectonic plate boundary in which plates move together
- 6. the rising of Earth's temperatures
- 7. a type of pollution generated from a single point of origin
- 8. something in the stratosphere that absorbs electromagnetic radiation that is harmful to living things
- 10. the variety of species in an area
- 13. a pollutant that contributed to the formation of the hole in the ozone layer
- 17. the effect that keeps the planet warm
- 19. a process in agriculture to water crops that uses a lot of freshwater
- 23. the practice of using less products and producing less waste
- 24. a fossil fuel that, when burned, leads to more atmospheric carbon dioxide
- 27. biome with most vegetation
- 30. when trade winds weaken or reverse
