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17 Cards in this Set
- Front
- Back
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Thermal Energy
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The total energy of the particles that make up any matter.
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Heat
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The flow of energy from warmer matter to cooler matter.
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Temperature
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A measurement of the average motion of the particles in a substance or object.
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Thermometer
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Instrument used for measuring temperature.
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Expand
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To take up more space; to get larger. When matter is heated it expands.
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Contract
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To take up less space;to get smaller. When matter is cooled it contracts.
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Conductor
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A substance through which energy tavels easily. Example:frying pan
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Conduction
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The flow of heat from one object to another by direct contact between the objects. Example:Cooking a pancake
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Insulator
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A substance that slows down the transfer if heat. Example:Fur Coat
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Radiation
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The trnasfer of energy from one place to another wihtout use of matter. Example:sunlight or microwace
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Source of Earth's thermal energy
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The sun.
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Joints in bridges do this.
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Expand and contract.
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How does fur keep a bear warm?
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It's fur acts as an insulator.
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Freezing Point of H2O,
Fahrenheit and Celcuis. |
32 degrees fahrenheit and 0 degrees celcuis.
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Boiling point of H2O,
fahrenheit and celcuis. |
212 degrees fahrenheit and 100 degrees celcuis.
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Body temperature
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98.6 degrees fahrenheit
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What does water do diferently from other matter when it freezes? Why?
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When water freezes it changes from a liquid to a solid.
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