Heat Flow and Convection Worksheet

Which best describes how heat flows?

• Heat flows from a cold object to a hot object and can cause an object's temperature to change.

• Heat flows from a hot object to a cold object and can cause an object's temperature to change.

• Heat flows from a cold object to a hot object but will not cause an object's temperature to change.

• Heat flows from a hot object to a cold object but will not cause an object's temperature to change.

Tags

NGSS.MS-PS3-3

Which of the following is correct when convection occurs in the atmosphere?

• Cool air rises and warm air sinks.

• Cool air sinks and warm air rises.

• Cool and warm air sink.

• Cool and warm air rise.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

How do molecules of air in direct contact with Earth's solid, warm surface absorb heat energy?

• conduction

• condensation

• convection

• diffusion

Tags

NGSS.MS-PS1-4

By which process does the heat from the Sun reach Earth?

• conduction

• convection

• absorption

• radiation

What is the primary source of energy that drives convection within the atmosphere and oceans?

• the force of gravity from the Moon.

• thermal energy from the Sun.

• Earth's magnetic field.

• Earth's gravity.

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-4

When a burner heats the air at the base of a hot air balloon, what happens to the air as it heats up?

• It sinks.

• It rises.

• It disappears.

• It cools down.

Tags

NGSS.MS-ESS2-5

As the air in a hot air balloon cools off, what does it do?

• It rises.

• It expands.

• It sinks.

• It glows.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which type of heat transfer is described as "heat moving between objects that are not touching"?

• Conduction

• Convection

• Radiation

• Insulation

Which type of heat transfer involves "heat moving from one object to another through direct contact"?

• Conduction

• Convection

• Radiation

• Reflection

Which type of heat transfer is described as "heat circulating through fluid like air or water. When the fluid is hot, it rises. When the fluid is cold, it sinks"?

• Conduction

• Convection

• Radiation

• Absorption