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Term
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Definition
| The energy that an object or substance has because its in motion |
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Definition
| The total kinetic energy of the particles in a substance |
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Definition
| the measure of the average kinetic energy |
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| An instrument that measures temperature |
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| a property of a substance in which its kinetic energy increases without changing the state of the substance |
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| The transfer of thermal energy from one substance to another |
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| Heat that occurs when particles bump into each other but do not change location |
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| Substances that allow heat to move through them easily |
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| Substances that do not allow heat to move easily through them |
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Definition
| Heat that occurs when particles carry thermal energy as they move from one place to another |
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| Heat that occurs when there are no particles to carry the energy |
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| A substance that releases energy when it burns |
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| Formed when the remain of plants and animal were buried during the Genesis Flood |
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Definition
| A heat that is not wanted; a waste product |
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| What are some forms of energy |
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Definition
| light, sound and electricity |
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| As the temperature of a substance increases, the particles move |
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Definition
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Term
True or False
The mass of a substance affects the thermal energy of a substance |
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Definition
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Term
True or False
A substance with a great mass has a lot of thermal energy but could be cold or hot |
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Definition
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| Scientists uses this scale to measure temperature |
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Definition
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| On a Fahrenheit scale, water freezes at ? and boils at ? |
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Definition
| 32 degrees and 212 degrees |
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Term
| On a Celsius scale, water freezes at ? and boils at ? |
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Definition
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True or False
Particles in a solid move a lot |
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Definition
| False because the attraction is great between particles |
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True or False
Gas particles move the fastest compared to liquids and solids |
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Definition
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True or False
Almost every substance expands when cooled and contracts when heated |
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Definition
| False, the opposite is true |
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Definition
| unit for measuring thermal energy; is the amount of thermal energy needed to raise the temperature of 1 gram of water 1 degree Celsius |
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True or False
Heat always flows from a warmer substance to a cooler one |
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Definition
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| What are 3 ways heat can flow? |
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Definition
| Conduction, convection and radiation |
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| What is an example of conduction? |
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Definition
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| What are the best types of conductors? |
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Definition
| Metals such as copper, silver and aluminum |
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| Why would a pot used for cooking have a plastic handle? |
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Definition
| To insulate the heat so that we don't get burned when we touch the pot |
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Term
True or False
Air between birds' feathers act as an insulator to keep the bird warm |
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Definition
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Term
Convection usually occurs in which of the following?
Solids, gas and liquids |
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Definition
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| What are examples of convection? |
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Definition
| Hot water particles boiling at the bottom of a pan that come to the top; thunderstorm clouds |
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True or False
Radiation can occur through empty space |
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Definition
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True or False
Solar energy is a form of radiation |
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Definition
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True or False
All substances absorb the same amount of radiation |
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Definition
False
Dark colors absorb radiation better than light colors |
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| What is a nonrenewable fuel? |
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Definition
| When something is being used faster than it is forming or can be replaced |
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True or False
Wood is a renewable source? |
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Definition
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Definition
| To heat homes, cook food, dry clothes, heat water, make steam |
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| Provide an example of heat as a byproduct |
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Definition
When you turn on a light; you want the light but the bulb also produces heat
A computer produces heat as electricity moves through it |
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| How can you cool off machines that become hot or when your body is hot? |
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Definition
| Fans for both; water for humans cools us down |
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True or False
Controlling heat during space travel is a matter of survival |
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Definition
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Definition
| When something rubs together and creates heat |
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| Provide examples of the space shuttle had to be protected from melting and vaporize |
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Definition
| Waterproof glass cloth blanket, ceramic tiles |
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| What is believed to have caused the space shuttle, COLUMBIA, to explode? |
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Definition
| Faulty tiles that did not protect the shuttle from the intense heat when it re-entered earth's atmosphere |
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