Creado por Addna Dahir
hace más de 6 años
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Pregunta | Respuesta |
What is heat? |
Heat is a form of energy that you sense through receptors in your skin.
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What can heat be transferred through? |
Solid, Liquid and Gas.
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What is a solid? | Solids are particles that are closely packed together and keep their form. |
What is a liquid? | Liquids are closely packed particles that vibrate on their spot. |
What is a gas? | Gases are particles that are not bound together and are free to move. |
What is kinetic energy? | Kinetic is an energy of movement |
What is a thermometer? | An instrument measured to find temperature. |
What is temperature currently measure in? | Degrees Celsius. |
How does heat transfer? |
Heat flows from areas of higher temperature to areas of lower temperatures.
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3 ways of heat transfer? | Conduction, Convection and Radiation |
What is Conduction? | A method of heat transfer in which heat is passed by vibration of particles. |
What is Convection? | Transfer to heat in a liquid or gas due to less dense, warmer matter rising and denser , cooler matter falling. |
What is Radiation? |
Movement of the heat in the form of electromagnetic waves, which can travel through a vaccum.
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What are insulators? | A material that doesn't conduct heat well. |
What are conductors? | A substance that allows heat to flow through it. |
What is reflection? | The bouncing of light off something. |
What is the temperature that water freezes on? |
absolute zero.
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Name a good conductor of heat |
Metal e.g. steel and aluminium
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Name a poor conductor of heat | Gas |
Three types of radiation. | absorption, reflection and transmission. |
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