Term
What are 4 types of Natural Sources for Thrmal Energy? |
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Definition
- Solar
- Geothermal
- Fire
- Decay
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Term
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Definition
| The house is insulated as much as possible and most windows are placed on the south side of the house. The house is heated with convection currents. |
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Term
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Definition
| Consists of 3 components: the collector, a heat storage unit and heat distribution system. Water is in the collector to trap solar energy (in copper tubes). On a black surface. The heated water is pumbed to the heat stoarge and is distrubuted throughout the house using convection currents. |
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Definition
| Solar cells are arranged are arranged in panels which are connected. They are placed to collect solar energy which is turned into electricity. |
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Term
| Pros of solar energy. (4) |
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Definition
- Not limited
- Available to everyone
- Doesn't create pollution
- Has no radiant risks
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Term
| Cons of solar energy. (4) |
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Definition
- Setting up costs are very expensive
- In canada, it does not provide enough space or water heating needed in a home
- Needs a backup system
- Solar cell diposing is an enviormental concern
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Term
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Definition
| The swich in a thermostat is a bimatilic strip (two metals stuck together) which bends when heated. The bending and unbending determines the temperature. The wider it is the less electric current is allowed to pass that controls the device. |
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Term
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Definition
| Provides heat for only one room or part of a building. Ex. space heater and fireplaces |
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Term
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Definition
| Provides heat for buldings with one source. The heat transfers through vents ect. It uses forced air heating and some hot water heating. Ex. furnace |
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Definition
| Refrigerant is evaperated in the system which make it freezing. |
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Term
| What is thermal conductivity? |
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Definition
| the level of ability to transfer heat through conduction. |
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Term
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Definition
| A type of photo that uses infared waves to show the amount of heat loss in a home. |
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Term
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Definition
| A number. The higher it is the btter the product provides insulation. |
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