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Science PS. 7 Test
Question/ Anwser: Conduction, Convection, Radiation, Thermal Energy
| Question | Answer |
|---|---|
| What is used in thermostats? | bimetallic strip |
| What temperature is absolute zero? | 0 degrees Kelvin |
| What device uses outside energy to transfer thermal energy from cool are to a warm area? | refrigerator |
| When you see circular arrows going around and around, which type of heat transfer is that? | convection |
| What is the phase change from gas to liquid? | condensation |
| What is the coldest temperature on the Kelvin scale? | -237 degrees Kelvin |
| What temperature does water boil on Celsius scale? | 100 degrees Celsius |
| How does the melting point of water compare to the freezing point of water? | they are equal |
| What is a device that we use that involves thermal expansion? | thermometer |
| Describe the volume of gas. | It takes the shape of the container |
| What is the phase change from a liquid to a solid? | Freezing |
| What temperature does water freeze on the Celsius scale? | 0 degrees Celsius |
| What temperature does water freeze on the Fahrenheit scale? | 32 degrees Fahrenheit |
| Why is alcohol used in some thermometers? | expands when heated and contracts when cool |
| What happens to a bimetallic strip when it is heated? | it expands |
| Name three common temperature scales | Fahrenheit, Celsius, Kelvin |
| ____ always moves from a warmer place to a cooler place. | Heat |
| What are three heat transfers? | Conduction, Convection, Radiation |