Heat Energy

The sun shines down on this family as the play on the beach.

• conduction
• convection
• radiation

The Gulf Stream is a current that brings warm ocean water from the south to the north.

• conduction
• convection
• radiation

Walking on the warm sand sand with your bare feet.

• conduction
• convection
• radiation

Warm air rises and the cool air sinks.

• conduction
• convection
• radiation

What line segment represents only the solid state?

• A-B
• B-C
• C-D
• D-E

What state(s) of matter are present at D-E?

• Solid-liquid
• Liquid
• Liquid-gas
• Gas-Solid

Between which points is the substance changing state?

• A-B only. 
• A-B, C-D, E-F
• B-C only. 
• B-C, D-E

Phase change from a solid to a gas.

• sublimation
• deposition
• condensation
• evaporation

When the temperature of matter increases, the particles do what?

• speed up and move closer

• speed up and move farther apart

• slow down and move closer together

• slow down and move farther apart

Phase change from a gas to a liquid.

• condensation
• evaporation
• melting
• deposition