Research Human Energy Use - 4th Grade Science
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What is natural gas commonly used for in homes and buildings?
What is natural gas commonly used for in homes and buildings?
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Heating, cooking, and generating electricity. Natural gas burns cleanly for these common household and power needs.
Heating, cooking, and generating electricity. Natural gas burns cleanly for these common household and power needs.
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What is petroleum (oil) mainly used for in human energy use?
What is petroleum (oil) mainly used for in human energy use?
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Making gasoline, diesel, and other transportation fuels. Oil is refined into various fuels that power most vehicles.
Making gasoline, diesel, and other transportation fuels. Oil is refined into various fuels that power most vehicles.
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What is the definition of nonrenewable energy?
What is the definition of nonrenewable energy?
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Energy from sources that take very long to replace. These sources formed over millions of years and can't be quickly replaced.
Energy from sources that take very long to replace. These sources formed over millions of years and can't be quickly replaced.
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What is the definition of renewable energy?
What is the definition of renewable energy?
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Energy from sources that are naturally replaced quickly. These sources replenish naturally within a human lifetime.
Energy from sources that are naturally replaced quickly. These sources replenish naturally within a human lifetime.
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What is the definition of a natural resource used for energy?
What is the definition of a natural resource used for energy?
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A material from nature that people use to produce energy. Natural resources provide raw materials that can be converted into usable energy.
A material from nature that people use to produce energy. Natural resources provide raw materials that can be converted into usable energy.
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What is the definition of a fuel?
What is the definition of a fuel?
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A material that can be burned or used to release usable energy. Fuels store chemical energy that's released through combustion or other processes.
A material that can be burned or used to release usable energy. Fuels store chemical energy that's released through combustion or other processes.
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Which energy source is a fossil fuel formed from ancient plants and animals?
Which energy source is a fossil fuel formed from ancient plants and animals?
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Fossil fuels (coal, oil, and natural gas). These formed over millions of years from decomposed organisms.
Fossil fuels (coal, oil, and natural gas). These formed over millions of years from decomposed organisms.
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What is coal mainly used for in human energy use?
What is coal mainly used for in human energy use?
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Generating electricity and providing industrial heat. Coal is burned in power plants to produce steam that drives turbines.
Generating electricity and providing industrial heat. Coal is burned in power plants to produce steam that drives turbines.
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Which action best conserves energy at home: leaving lights on or turning them off?
Which action best conserves energy at home: leaving lights on or turning them off?
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Turning them off when not needed. Unnecessary lights waste electricity that required resources to generate.
Turning them off when not needed. Unnecessary lights waste electricity that required resources to generate.
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Identify the device that turns fuel energy into motion in most cars.
Identify the device that turns fuel energy into motion in most cars.
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An engine. Engines convert chemical energy in fuel to mechanical energy.
An engine. Engines convert chemical energy in fuel to mechanical energy.
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What is a pollutant that can be released when fossil fuels are burned?
What is a pollutant that can be released when fossil fuels are burned?
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Air pollution such as smoke and gases (for example, carbon dioxide). Burning releases harmful substances that contaminate the atmosphere.
Air pollution such as smoke and gases (for example, carbon dioxide). Burning releases harmful substances that contaminate the atmosphere.
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Which energy source usually produces the least air pollution while generating electricity: coal or wind?
Which energy source usually produces the least air pollution while generating electricity: coal or wind?
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Wind. Wind turbines generate electricity without combustion or emissions.
Wind. Wind turbines generate electricity without combustion or emissions.
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Which option is renewable: coal, oil, wind, or natural gas?
Which option is renewable: coal, oil, wind, or natural gas?
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Wind. Wind constantly renews as the sun heats Earth's atmosphere unevenly.
Wind. Wind constantly renews as the sun heats Earth's atmosphere unevenly.
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Which option is nonrenewable: sunlight, wind, coal, or moving water?
Which option is nonrenewable: sunlight, wind, coal, or moving water?
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Coal. Coal formed from ancient plants over millions of years and can't be replaced.
Coal. Coal formed from ancient plants over millions of years and can't be replaced.
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What is biomass as an energy resource?
What is biomass as an energy resource?
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Plant or animal material used as fuel (for example, wood). Living or recently living organisms contain stored chemical energy.
Plant or animal material used as fuel (for example, wood). Living or recently living organisms contain stored chemical energy.
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What is solar energy, and what natural resource provides it?
What is solar energy, and what natural resource provides it?
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Energy from sunlight; the natural resource is the Sun’s light. Solar panels convert the Sun's radiation into electricity.
Energy from sunlight; the natural resource is the Sun’s light. Solar panels convert the Sun's radiation into electricity.
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What is wind energy, and what natural resource provides it?
What is wind energy, and what natural resource provides it?
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Energy from moving air; the natural resource is wind. Wind turbines capture kinetic energy from moving air masses.
Energy from moving air; the natural resource is wind. Wind turbines capture kinetic energy from moving air masses.
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What is hydropower, and what natural resource provides it?
What is hydropower, and what natural resource provides it?
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Electricity from moving water; the resource is flowing water. Dams harness the kinetic energy of falling or flowing water.
Electricity from moving water; the resource is flowing water. Dams harness the kinetic energy of falling or flowing water.
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What is geothermal energy, and what natural resource provides it?
What is geothermal energy, and what natural resource provides it?
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Energy from Earth’s internal heat; the resource is hot rocks/steam. Underground heat from Earth's core provides steam for power generation.
Energy from Earth’s internal heat; the resource is hot rocks/steam. Underground heat from Earth's core provides steam for power generation.
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What does it mean to conserve energy?
What does it mean to conserve energy?
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To use less energy by reducing waste. Conservation prevents wasting limited energy resources.
To use less energy by reducing waste. Conservation prevents wasting limited energy resources.
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