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Heat and Energy
| Question | Answer |
|---|---|
| Heat energy flows from the hot object to the _______ cold object. | cold |
| A black brick exposed to sunlight becomes warm by: | radiation |
| Heat energy flows from your hand to the ice cube by: | conduction |
| The sky is blue because because particles in the sky__________ the sunlight into blue, indigo, and violet | scatter |
| _________ _________ is the part of the electromagnetic spectrum that can be seen with the eye. | visible light |
| _______ _________ have the greatest energy in the electromagnetic spectrum. | gamma rays |
| _______ ________ have the least amount of energy in the electromagnetic spectrum. | radio waves |
| Black shirts __________ all frequencies of visible light. | absorb |
| Materials that allow heat or electricity flow through them easily. | conductor |
| Material that do not allow heat or electricity flow through them easily. | insulator |
| Gases and liquids are heated by _________ in which the warm gases/liquids rise and the cool gases/liquids sink. | convection |
| The transfer of thermal energy. | heat |
| A measure of the average kinetic energy of the atoms in a system, used to express thermal energy in degrees | temperature |
| The energy an object has because of its motion. | kinetic energy |
| The amount of energy that is stored in an object; energy that an object has because of its position relative to other objects | potential energy |
| When atoms are heated up and spread apart. | thermal expansion |
| When atoms are cooled and get closer together. | contraction |
| Energy in the form of heat. | thermal energy |
| The transfer of energy from one object to another, such as heat energy. | energy transfer |
| Energy cannot be created out of nothing, nor can it be completely destroyed. Energy can only change its form. This is the law of __________ of _________. | conservation of energy |
| Energy that can be used to do work. | mechanical energy |
| The energy that is stored in the bonds between atoms | chemical energy |
| The ability to do work by movement of electric charge | electrical energy |
| That form of energy that animals can see directly; visible electromagnetic radiation. | light energy |
Created by:
larryb.taylor
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