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30 Cards in this Set
- Front
- Back
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What is energy given off by the sun called?
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Solar energy
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Bundles of energy transferred from the sun that move through matter and space are called
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radiation
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Bundles of energy that transfer heat are called
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Infared radiation
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You can check the __________ to see how warm it is outside.
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temperature
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All movement of particles requires
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energy
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When particles of matter bump into each other, thermal energy is transferred by
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conduction
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The transfer of thermal energy from one place to another is called
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heat
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The energy transfer by hot particles moving in a liquid or gas is called
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convection
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Any material that can burn is a
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fuel
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The energy of moving objects is called
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kinetic energy
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Which uses the most energy?
jumping, shouting, writing or thinking |
jumping
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The energy of motion of particles is called
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thermal energy
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When particles in the air move faster, what happens to the air temperature?
temperature rises or temperature falls |
temperature rises
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Does liquid, boiling, frozen, or melting water have the fastest moving particles?
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boiling
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Does liquid, boiling, frozen, or melting water have the slowest moving particles?
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frozen
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What causes cold water to warm up when you add hot water to the cold?
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convection
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Which of the following is an example of energy transferred through infared radiation? hot water faucet, sunshine, metals, ocean water
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sunshine
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What must happen to two pieces of matter in order for thermal energy to be transferred through conduction?
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touching
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Solar panels that heat water are an example of energy tranferred through ________.
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infared radiation
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A campfire is an example of
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radiation
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Hot particles moving within an oven are an example of
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convection
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Energy transferred from a burner to the contents of a pan is called
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conduction
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Which state of matter takes up the most space? Why?
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a gas, because its particles move quickly and are most spread out
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Which would be warmest in the winter and coolest in the summer?
wood barn or metal barn |
wood because it is an insulator - warm air inside in the winter and outside in the summer
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What type of clothing would you wear in the winter to stay warm? How do these types of clothing help?
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Clothes that insulate - keep my body heat close to me
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Which setting would involve faster moving particles? a beach on a sunny day or a snowy day in the country
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a beach on a sunny day
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Energy of motion and matter can be measured. How could you measure the average energy of motion in a glass of water?
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thermometer
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When you measure the average energy of motion the second time, the average energy has increased. What can you infer has happened?
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thermal energy has been added - the water warmed up
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The third time you measured the average energy of motion of the matter in the glass of water, the average energy has decreased. What can you infer has happened?
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Thermal energy has been taken away - the water has been cooled.
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If you took the following data readings of thermal energy from a metal roof, would you infer that the data was taken at the beginning or end of the day? Explain why.
90 deg. F 80 deg. F 70 deg. F 60 deg. F |
The data was taken at the end of the day because the roof loses heat as the sun sets.
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