SCIENCE

2. Leftover radioactive material produced by reactors at nuclear power plants.
6. Natural event that may negatively affect people and the environment
10. Effect on living organisms and their nonliving environment due to human activity
12. When particles of one substance mix evenly into the particles of another substance
14. Excess rainfall, melted snow, or irrigation water that flows across the ground.
15. Fan-shaped landform that develops where sediments are deposited.

1. Removal of sediments from an area.
3. A desirable outcome given up to gain another desirable outcome.
4. The loss of a plants water through its leaves to its environment by evaporation
5. When magma flows over Earth’s surface.
7. A rocky layer that allows groundwater to flow through it and collect.
8. Any form of water that falls to Earth, including rain, snow, sleet, and hail.
9. Animals without backbones that are large enough tosee without magnification.
11. One factor causes an effect on the other factor. The first event is the cause and the result is the effect.
13. Sudden release of energy in Earth’s interior, which causes a shaking at the surface