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My room is hot so I turn on the fan. The fan starts circulating the air in the room. All the hot air rises to the ceiling and the cool air falls to the floor. What type of heat transfer is this an example of?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
A boy is roasting a marshmallow using a metal stick over a fire. Which of these describes how heat is transferred from the end touching the flame to the end touching the boy’s hand?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
According to the law of conservation of energy, what happens to light energy when you turn OFF a light switch?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
What type of heat transfer cooks scrambled eggs in a pan sitting on the stove?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
A basketball that is thrown up in the air has both kinetic and potential energy. Which of these describes what happens when the ball reaches the maximum height?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
As a roller coaster car to the right travels down the hill, gravitational potential energy ____1______ and kinetic energy _____2_______.
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
Which category does heat transfer fall in and why?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
A pt of boiling water is being heated over a flame of a fire. Which of these describes the order of energy transfer that causes the water to boil?
Convection
radiation - conduction - convection
Conduction
Light energy is converted back into electrical energy
by conduction
1 = decreases 2 = increases
D) All the kinetic energy is converted into potential energy.
Kinetic energy because heat is energy in motion.
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