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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 |