Transfer of Energy

Question 1

??? is how heat is transferred over a distance through electromagnetic waves. This is how the sun’s heat reaches the Earth’s surface.

Answer 1

Radiation

Question 2

??? is heat transfer that happens when materials are touching each other. This mostly happens for solids

Answer 2

Conduction

Question 3

??? is heat transfer that happens as heated materials rise and create a current. This happens in liquids and gases.

Answer 3

Convection

Question 4

Some materials, such as metals, are better ??? of heat. This means that heat can move through these materials easily.

Answer 4

conductors

Question 5

Other materials are ???. They resist heat transfer. They keep hot things hot and cold things cold over longer period of time.

Answer 5

Insulator