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- 1. Multiple Choice
A cooking smoker, used to cook meats, works by allowing the warm air filled with smoke to rise to the meat, while the cooler air sinks closer to the fire. What type of heat transfer is responsible for smoking the meat?
Electrical
Radiation
Convection
Conduction
- 2. Multiple Choice
A student was conducting an experiment in which a heater was placed on one side of a large box and a thermometer on the other side. The student removed all the air from the box, turned on the heater, and recorded the change in temperature. What was the student's model designed to show?
the transfer of heat through convection
the transfer of heat through electricity
the transfer of heat through radiation
the transfer of heat through conduction
- 3. Multiple Choice
This appliance dries clothes primarily by converting —
electrical energy to heat and mechanical energy
mechanical energy to heat and electrical energy
electrical energy to heat and light
mechanical energy to heat and vaporization
- 4. Multiple Choice
A teacher rubbed a match against a piece of sandpaper. The match started to burn. Which statement best describes the energy changes that occurred?
The chemical energy stored in the match changed to thermal energy and light energy.
The thermal energy stored in the match changed to light energy and chemical energy.
The light energy and thermal energy stored in the match changed to mechanical energy.
The light energy and thermal energy stored in the match changed to chemical energy.
- 5. Multiple Choice
During a warm summer day, a car became extremely hot. When a student went to open the car door, he burned his fingers. What two forms of energy were responsible for the student burning his fingers?
radiation and conduction
conduction and convection
radiation and electricity
convection and radiation
- 6. Multiple Choice
What transfer of heat is responsible for cooking the chicken?
radiation
convection
electrical
conduction
- 7. Multiple Choice
Which of these actions, on their own, will cause ice to change to water? Remember, hot --- > cold
removing heat from the ice
adding sand to the ice
crushing the ice
adding heat to the ice
- 8. Multiple Choice
When an egg is boiled in a pot of water on the stove, there is more than one kind of heat transfer. Heat is transferred from the stove to the pot directly since they are physically touching. Heat is also transferred from the pot to the egg, carried through the water. What two kinds of heat transfer are represented?
Stove → Pot = radiation, Pot → Egg = conduction
Stove → Pot = conduction, Pot → Egg = radiation
Stove → Pot = convection, Pot → Egg = conduction
Stove → Pot = conduction, Pot → Egg = convection
- 9. Multiple Choice
Which of the following is an example of conduction?
Solar energy warming a room
Heat rising from the coils of a stove
Hot air drying a wet towel
Heat moving from a clothes iron to a shirt
- 10. Multiple Choice
Four steel blocks were heated to different temperatures and stacked together as shown. In which direction will heat be transferred by conduction?
From Sample 4 to Sample 1
From Sample 2 to Sample 3
From Sample 2 to Sample 4
From Sample 3 to Sample 2
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