Temperature, heat, and heat transfer

______ is heat transfer or movement by direct contact and is usually through solids.

• Conduction

• Convection

• Radiation

Heat that is transferred or moved in circular currents through fluids is called _____.

• Conduction

• Convection

• Radiation

In a pot of water that is heating on the stove (fogão), hot water sinks to the bottom and cold water rises to the top.

• True

• False

Heat from a light bulb (lâmpada) is an example of _____.

• Conduction

• Convection

• Radiation

A huge rock at the park gets hot during the day. The rock was warmed by the Sun through _____.

• Conduction

• Convection

• Radiation

If you lay on the hot rock from the question above, you get warmed by _____.

• Conduction

• Convection

• Radiation

Which statement is true?

• The quicker a molecule moves, the colder it is.

• The slower a molecule moves, the warmer it is

• The quicker a molecule moves, the warmer it is.

• The movement of molecules doesn't affect temperature.

What is the energy of the movement of particles in a substance? (Choose all that apply)

• Potential energy

• Kinetic energy

• Thermal energy

• Temperature

In heat transfer, the heat always moves from the _____ object to the _____ object.

• warmer to cooler

• cooler to warmer

• warmer to warmer

• cooler to cooler

Heat stops being transferred between objects when _____. (Choose all that apply)

• some amount of time has passed

• the objects reach thermal equilibrium

• the temperature of the objects becomes very far apart

• the temperature of the objects becomes the same.