6.2: Heat Transfer

Water always moves high elevation to low elevation (downhill). Similarly, thermal energy always moves from _____ temperature to _____ temperature.

• High; Low
• Low; High

When thermal energy moves from a warm to a cool object, scientists call it _______.

• potential energy
• heat
• gravity

When thermal energy moves, scientists call it _______.

• potential energy
• heat
• gravity

Heat transfer happens different ways. One of those ways is _____, as when your hand gets hot if it touches a warm cooking pot.

• Conduction
• Convection
• Radiation

Another way that heat transfers is through moving air or liquid, as when warm water at the surface of the ocean cools and then moves lower in the ocean. This is called ______.

• Conduction
• Convection
• Radiation

The final way heat transfers is called ________, as when thermal energy travels in electromagnetic waves from the sun to the earth.

• Conduction
• Convection
• Radiation

If you touched the metal in this photo, your hand would quickly burn. Heat would be moving into your hand by ________.

• Conduction
• Convection
• Radiation

Materials that transfer heat well are called ______. An example is a metal pot.

• conductors
• insulators

Materials that do not transfer heat well are called ______ insulators. An example is the plastic handle to a cookpot.

• Conductors
• Insulators

The attic and walls of your house are designed to keep heat from leaving in the wintertime. They have ______ inside.

• Insulation
• Conduction
• Radiation