IB ESS 7.1 Energy Choices and Security

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Geothermal Energy

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Using the heat from under the Earth's surface to generate electricity.

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Greenhouse Gas

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A gas that contributes to the greenhouse effect by absorbing infrared radiation. Examples include carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O).

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Carbon Emissions

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Gases released into the atmosphere as a result of burning fossil fuels, which contribute to climate change.

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Fossil Fuels

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Natural substances formed from the remains of ancient plants and animals, including coal, oil, and natural gas.

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Biomass

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Organic material that comes from plants and animals, which can be used as a renewable energy source.

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Hydropower

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Energy generated from the movement of water, typically through dams or turbines.

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Wind Energy

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Energy generated from the movement of air, harnessed by wind turbines.

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Nuclear Energy

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Energy released during nuclear fission or fusion, used to generate electricity.

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Turbine

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A device that converts kinetic energy from wind, water, or steam into mechanical energy.

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Solar Energy

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Energy harnessed from the sun's rays, typically using solar panels.