Unit 3 Energy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Energy Resources | A natural resource that people can turn into other forms of energy to do work
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| Renewable Resources | A natural resource that can be used and replaced over a relatively short period of time
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| Biomass | Renewable
Comes from organic matter –trees, crops, wood, waste
Use it by burning it to create steam to turn turbines and spin generators
or Bacterial decay (compost) or fermentation (makes ethyl alcohol)
Electricity
Con-Burning creates pollution
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| Hydropower | Renewable
Energy comes from moving water
Water flows through dams and turns turbines to spin generators.
Used for electricity
Con- Can disrupt natural habitats
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| Geothermal | Renewable
Heat comes from inside the Earth
Drill holes in the crust and use the steam to turn turbines and spin generators.
Used for heating and electricity
Con- Can’t be used everywhere
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| Wind | Renewable
Kinetic energy (motion) of air because of the uneven heating of the Earth.
Wind machine turns and spins a generator.
Used for electricity
Con- Can’t be used everywhere
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| Solar | Renewable
Energy from the sun
Solar panels and collectors absorb solar energy and convert it to electrical energy.
Used for electricity, heat and light
Cons - difficult to collect and store
expensive
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| Nonrenewable Resources | Natural resources that cannot be replaced or that can be replaced only over thousands or millions of years.
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| Fossil Fuels | Formed from buried remains of plants and animals that lived millions of years ago
Include coal, petroleum, propane and natural gas
Non-renewable
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| Petroleum | Non-renewable
Made from the dead remains of plants and animals. (fossil fuel) Found in sedimentary rocks
Burned to get energy
Used for transportation, heating, making products
Con- releases greenhouse gases (pollution)
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| Natural Gas | Non-renewable
Made from the dead remains of plants and animals. (fossil fuel) ; Found in sedimentary rocks
Burned to get energy
Used for heating, electricity, and some transportation
Con– Releases greenhouse gases
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| Propane | Non-renewable
Fossil fuel; Found in Natural gas
Burned to get energy
Used for electricity, heating, transportation
Con- Creates some pollution but cleaner than other fossil fuels
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| Coal | Non-renewable
Fossil fuel from dead plants; Black rock
Burned to get energy
Used for electricity, heating, manufacturing steel
Con– Releases greenhouse gases
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| Uranium | Nonrenewable
Metal found in rocks
Fission Splits atoms, releases heat which creates steam to turn turbines and spin generators.
Used for Electricity
Con- Creates radioactive waste
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| Example of Nuclear energy | Uranium
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| Energy from fossil fuels comes from | The sun
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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