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Grade 4 Heat
Heat terms for Science Midterm
Question | Answer |
---|---|
Heat | The flow of the energy from one material to another. |
Convection | When heat is transferred by the flow of liquid or gas. |
Insulator | A material that can't transfer heat well. |
Conductor | A material that can transfer heat well. |
Temperature | The measure of how hot or cold something is. |
Thermometer | A tool used to measure temperature. |
3 ways to transfer heat | Conduction, convection and radiation. |
Conduction | When heat is transferred between 2 objects that are touching, or within one object. |
Radiation | When heat is transferred through space. Things do not need to touch for radiation to happen. |
Expands | Gets larger |
Contracts | Gets smaller |
Problems with fossil fuels | Non-renewable, cause pollution |
Warmer | Particles move faster |
Warmer | More energy |
Cooler | Particles move slower |
Cooler | Less energy |