Study Guide
1. What is the fuel for nuclear energy? _____uranium________________________
2. A dam is built on a river to produce ______hydroelectricity (water power)_________
3. Electricity made from hot water below the ground is called ____geothermal______
4. What is a definition for non-renewable resource? Something that cannot be made or
used again
5. Are fossil fuels renewable or non-renewable? _____non-renewable________
6. What devices convert sunlight into electricity? _____solar cells or PV cells_____
7. What are the 3 fossil fuels? ____coal, oil, natural gas____________________
8. What are three disadvantages to using fossil fuels?
1. must be dug up
2. will run out
3. air pollution
9. What is a definition for renewable resource?
Something that can be made or used again
10. The main advantage to using fossil fuels is that they produce more
than renewable energy resources.
less
11. The device used to generate electricity from wind is a __wind turbine______
12. What are 3 examples of renewable resources?
Water, wind, sun, geothermal, trees
13. What are 2 advantages for almost every renewable resource?
1. No air pollution
2. Will not run out
energy
14. What is the main disadvantage to nuclear power? ______radioactive material
15. What is a disadvantage for building a dam for hydroelectric power?
It destroys natural environment
16. Why can’t wind energy be used anywhere and everywhere?
Not always windy
17. Why should we conserve fossil fuels?
To make them last longer, create less air pollution
Use the word bank to write the word next to the correct definition
watershed
wetland
greenhouse effect
tributary
ecosystem
pollution
estuary
18. _______estuary____________a body of water where fresh water mixes with salt
water
19. _____ecosystem___________a working unit of abiotic and biotic factors
20. ___greenhouse effect____________gases in the atmosphere trapping heat from the
Sun
21. ____watershed________an area of land where all of the water drains toward one
body of water
22. ___tributary__________a smaller body of water that empties into a larger body of
water
23. ______wetland____________a swamp or marsh that is covered with water
24. ________pollution______________anything that has a negative effect on the
environment
25. How does using pesticides(chemicals to kill bugs) on your yard pollute the water?
The rain water washes it into a stream or river.
26. About what percentage of all water on Earth is freshwater (not salt water or frozen)?
1%
27. If people dump trash into the Potomac River, how will this effect the Chesapeake Bay?
Why? The trash will end up in the Chesapeake Bay because the Potomac River is a
tributary of the Bay.