D - Science - Ch 9 Word Scramble
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Question | Answer |
What are renewable resources? | a type of resource which is replenished naturally faster than it is consumed |
What are 3-4 examples of renewable resources? | solar, wind, water, geothermal, biomass, nuclear |
What are 3 benefits of renewable resources? | infinite (limitless or endless) supply, do not pollute environment & conserve (save) fossil fuels |
What are 4 challenges of depending of renewable resources? | The wind does not always blow, the sun is not always shining (cloudy days, nighttime), not every populated area has water nearby or within a reasonable distance & nuclear waste is harmful to living things and the environment |
What is biomass? | energy derived from living things (wood, leaves, food wastes …) |
What is a problem with using nuclear energy? | radioactive waste is harmful to living things and the environment & excessive heat can cause explosions |
What is a problem with building a dam? | most of the rivers suitable for damming (for building hydroelectric dams) have already been dammed & damming rivers has negative impacts on ecosystems, wildlife, and the environment |
What are non-renewable resources? | naturally occurring substances that cannot be re-made, re-grown, or regenerated as quickly as they are used |
What are 3 examples of non-renewable resources? | coal, oil, natural gas (fossil fuels) |
What is a benefit of using non-renewable resources? | they provide more energy than any other energy source |
What are 3 problems with using non-renewable resources? | finite (limited) supply, takes millions of years to make & pollute the environment |
What happens when you burn fossil fuels? | burning fossil fuels creates air pollution, mainly in the form of carbon dioxide |
What does 'finite' mean? | limited (a limited amount), will eventually run out |
Created by:
lprinke
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