Across
- 4. A process of cell division in which cells divide a second time, producing reproductive cells with only half as many chromosomes as the parent cell.
- 5. The more animal-like organism in the kingdom of Protista; able to move around and often live in water.
- 7. A solid substance found naturallyin the Earth's surface; has never been an organic substance.
- 10. _______ weathering is the process of breaking down rock into smaller and smaller pieces.
- 13. Water vapor in the air.
- 14. To conserve resources by finding new ways to use a product.
- 15. All of the Earth's water found in lakes, oceans, streams, rivers, soil, ground-water, and the air.
- 17. An organism consisting of only one cell.
- 22. The pile of sediment deposited by a glacier as it melts and recedes.
- 23. To conserve resources by using less energy.
- 24. The action of the wind blowing and picking up loose sediment and carrying it away.
- 25. A _______ name is a widely recognized name.
Down
- 1. A mixture of cinder, ash, and rock.
- 2. A _______ name that is a unique identification of a living organism.
- 3. A group of the same kind of organisms living together.
- 6. Containing salt.
- 8. The ability to do work.
- 9. To conserve resources by turning products into other products.
- 11. Layers of sand, gravel, or bedrock that hold or move ground-water.
- 12. The crust and upper area of the Earth's mantle.
- 16. The amount of energy released from an earthquake.
- 18. The smallest unit of a living organism.
- 19. Soil that has properties of all three soil particles: sand, silt, and clay.
- 20. A break in the Earth's surface along which rock can move.
- 21. A complete living thing.