Chapter 6 review for test
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| Refrigerators and air conditioners are examples of ____. | heat movers
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| Wind and ocean currents are formed by _____. | convection
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| A material that reduces the flow of thermal energy by conduction, convection, and radiation is a(n) ____. | insulator
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| All of the following are good conductors of thermal energy except : silver, copper, aluminum, air | air
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| The process by which engine fuels burn is ___. | combustion
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| Convection will most likely occur in ___. | liquids and gases
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| Conduction will most likely occur in ___. | solids and liquids
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| Radiation can occur without traveling through ___. | matter
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| Gasoline and diesel engines are ____. | heat engines and have internal combustion
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| Solar collectors are parts of ___. | active solar heating systems
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| Energy travels from the sun to Earth as ____. | radiant energy
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| Of the following (silver, copper, plastic, iron), the best insulator would be ____. | plastic
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| Temperature measures the ___ of the particles of a material. | average kinetic energy
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| Two equal masses of two different kinds of matter _____. | probably have different amount of thermal energy
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| Large windows on the south side of a building is an example of ___. | passive solar heating system
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| A pan of water heating on a stove is an example of ___. | conduction
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| A hot air balloon is an example of ___. | convection
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| The best conductor is ___. | copper
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| Fluids are ____. | liquids and gases
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| Good ____ do not allow heat to move through them easily. | insulators
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| On a hot day, which would stay cool longer, a sheet of aluminum whose specific heat is 920J/kgC or copper whose specific heat is 380 J/kgC? Why? | Aluminum, because it has a higher specific heat so it will take longer for it to heat up.
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| Freezing point of water in degrees Celsius. | 0
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| Boiling point of water in degrees Celsius. | 100
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| Freezing point of water in Kelvin | 273
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| Boiling point of water in Kelvin | 373
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| Freezing point of water in Fahrenheit. | 32
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| Boiling point of water in Fahrenheit. | 212
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| Explain this statement "When measuring the temperature of ice, you are measuring the amount of heat it is releasing" | All matter has particles that are in constant, random motion. When particles move they give off heat due to friction, even ice.
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| Heat moves from a ____ area to a ____ area. | warm to cool
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| Heat is measured in ___. | Joules
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| Why does water have such a high specific heat? | because of its strong bonds
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| What is the most common heating systems used today? | forced-air system
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| How does a refrigerator work to keep food cool? | it contains a coolant that is pumped through pipes on the inside and outside of the refrigerator, this special substance in the pipes evaporates at a low temperature.
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| Suppose you vigorously shake a bottle of fruit juice. Predict how the temperature of the juice will change. Explain. | the temperature of the juice will increase because the shaking causes the particles to move faster creating more friction.
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| Several days after a snowfall, the roofs of some homes on a street have almost no snow on them, while others are still snow covered. What would cause this difference? | the snow covered houses are better insulated so not enough heat escaped to melt the snow
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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