calvert Science Block 6
Terms
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- What is Streak?
- The color of the powder left when a mineral is rubbed against a hard, rough surface.
- What is hardness?
- How well a mineral resists scratching.
- What is renewable resource?
- A resource that can be replaced in a short period of time.
- What is ozone layer?
- A layer of ozone gas in the atmosphere that screens out much of the Sun's UV rays.
- What is desalination?
- Getting fresh water from seawater.
- What is geothermal energy?
- Earth's internal energy.
- What is groundwater?
- Water that seeps into the ground into spaces between bits of rock and soil.
- What is a reservoir?
- A storage area for freshwater supplies.
- What is biomass?
- Plat matter or animal waste that can be used as source of energy.
- What is a fossil?
- The remains or imprint of living things of the past.
- What is smog?
- A mixture of smoke and fog.
- How can rain be harmful?
- When wastes from burning fossil fuels mix with moisture becoming acid rain.