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Chapter 10
Science Study Guide
Term | Definition |
---|---|
Freezing | Changing from a liquid to a solid. |
Evaporation | Changing liquid to gas. |
Energy | The ability to move matter. |
Kinetic Energy | Energy in a moving object. |
Potential Energy | Energy stored in a object. |
Temperature | Average kinetic energy of molecules which tells us how hot or cold something is. |
Heat | A form of energy that flows between two objects that have different temperatures. |
Radiation | Transfer of energy by electromagnetic waves. |
Conduction | Movement of energy through direct contact. |
Convection | Transfer of energy by flow of a liquid or gas. |
Insulation | Preventing heat from flowing in or out of a material. |
Thermal Expansion | Matter expands when the temperature is raised. |
Pressure | The force on each unit of area of a surface. |
Melting | Changing a solid to a liquid. |
Condensation | Changing from a gas to liquid. |
Forms of Energy | Solar, wind, geothermal, nuclear, and hydroelectric. |
Solar Cell | Captures sunlight to make energy. |
Hydroelectricity | Energy from falling water. |
Geothermal Energy | Energy from heat within the Earth. |
Nuclear Energy | Energy from atoms colliding or being split apart. |
Wind Energy | Energy collected from big turbines standing tall. |