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A group of students walk into a room. They then feel the temperature increasing. Which of the statement best describes why the room feels warmer?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Which of the following is true about energy?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Which example best demonstrates the process of conduction?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Maria sits on a park bench on a cold sunny day. The bench feels warm. What process transfers heat from the bench to Maria's body?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Most computers have fans to keep the computers from overheating. Which of these best describes why this is necessary?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Albert is boiling water on the stove. What type of heat is responsible for boiling the water?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Which statement about heat transfer is true?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
Which statement best describes what happens to water molecules when the temperature of liquid water is increased?
Convection
A metal spoon gets warm when used to stir hot soup
The bonds become weaker, and the molecules move farther apart
The operation of the computer converts electrical energy to heat
Conduction
Heat transfers from a warmer object to a cooler one
As the students move around, their bodies release heat energy into the room
Energy is converted from one form to another
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