Science 14 Chpt 6 Review
Quiz by Joe Garreck
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14 questions
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- Q1The rate at which a material absorbs or loses heatHeat Absorption30s
- Q2The measure of a substances ability to absorb or lose heatSpecific Heat Capacity30s
- Q3Any material that slows heat transferInsulator30s
- Q4A measure of how well insulation slows heat transferR-Value30s
- Q5A container (thermos) that slows all three forms of heat transferVacuum Bottle30s
- Q6When you walk on a beach on a hot day, the sand is burning hot but the water might be cold. Which statement provides the best explanation for this?Sand has a higher specific heat capacity than water.Both water and sand heat up the same, but water was initially cooler.There is more sand than water, so it heats up quicker.Water takes much more energy to heat up than sand, so it heats up slower.30s
- Q7A wooden spoon is used to stir hot sauce on the stove. Why is the spoon made of wood rather than metal?Wood is a poorer conductor of heat than metal.Wood absorbs more heat than metal.Wood is a poorer insulator of heat than metal.Metal is better but wood is cheaper.30s
- Q8Last week, you came home and heated water for noodles. You used the stove’s burner on high. This week, you do exactly same thing but use twice as much water. Which statement below is false?The water will need twice the energy to boil.The specific heat capacity of the water will double.The water will take twice as long to boil.The burner will release double the amount of heat.30s
- Q9Why is water used around the world as a radiator coolant in cars?Water cools off quickly.Water is cheap and plentiful.A and BWater has a high specific heat capacity.30s
- Q10How many joules will it take to raise one gram of water by 10°C if the specific heat capacity of water is 4.19 J/g/°C?41.9 J41.9 g4.19 g4.19 J120s
- Q11What would be the R-value of a wall that has 50 mm solid wood as the interior layer, 75 mm fibreglass inside the wall, and 75 mm rigid urethane foam as the exterior layer?13R 37.7537.75R 13120s
- Q12What would be the R-value of a wall that has 150 mm of expanded polystyrene foam?R 3.963.9623.76R 23.76120s
- Q13How many joules will it take to raise 1 gram of motor oil by 10°C?20.0 J10 J2.00 JNone of the above120s
- Q14How many joules will it take to raise 1 gram of iron by 15°C?6.75 J0.45 J67.5 J4.5 J120s
