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7I Energy
Key words
| Term | Definition |
|---|---|
| Balanced diet | Eating a variety of foods |
| Diet | The food you eat |
| Energy | Something that allows movement or change |
| Joule | Unit for energy (J) |
| Kilojoule | 1000 J |
| Nutrient | Substance needed in the diet |
| Atomic energy | Energy stored inside of atoms (nuclear energy) |
| Chemical energy | Energy stored in bonds between atoms |
| Elastic potential energy | Energy stored in stretch or shape (strain energy) |
| Gravitational potential energy | Energy stored in height |
| Kinetic energy | Energy stored in moving objects |
| Law of conservation of energy | Energy cannot be created nor destroyed, but transferred |
| Biofuel | Fuel made from animal or plant material |
| Coal | Fossil fuel from remains of plants (solid) |
| Oil | Fossil fuel from remains of plants and animals (liquid) |
| Natural gas | Fossil fuel from remains of plants and animals (gas) |
| Electricity | Energy stored in moving electrons |
| Fossil | Remains of plants and animals preserved using in sedimentary rock |
| Fuel | Storage of energy that is easy to access |
| Fuel cell | A machine that combines hydrogen and oxygen gases to produce electricity |
| Non-renewable | An energy resource that will run out |
| Renewable | An energy resource that will not run out |
| Uranium | A radioactive element used as a nuclear fuel |
| Geothermal power | Generating electricity from the heat of underground rocks |
| Hydroelectric power | Generating electricity from the movement of falling water |
| Photosynthesis | Process where plants convert light energy to food |
| Solar cell | Panels that convert light energy to electricity directly |
| Solar panel | Panel that heats water from the Sun’s heat |
| Solar power station | Uses solar panels to create steam to generate electricity |
| Wind turbine | Generating electricity from wind |
| Climate change | Changes in weather patterns due to global warming |
| Efficiency | Description of how much waste is created |
Created by:
andrewweng0406
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