Heat Energy

Zoe rubs her hands together quickly; she notices they get warm. What type of energy is this?

• electrical energy
• light energy
• sound energy
• heat energy

What types of energy does a light bulb give off?

• heat and electric
• light and heat
• electric and light
• light and mechanical

Which are examples of heat energy?

• campfire, stove
• trombone, drum
• light bulb, fan
  
• boiling water, pinwheel

Which one describes how the sand's heat affects a snake’s body as it comes out of the shade?

• The sand gets cooler when then snake slithers across it.
• The snake’s body temperature decreases.
• The snake’s body temperature increases.
• The sand gets warmer when the snake lays down.

When you hold an ice cube in your hand. It begins to melt as you squeeze it. Why?

• You absorb heat from the ice.
• You release cold to the ice.
• Cold moves from the ice onto your hand as it melts.
• Heat moves from your hand into the cube and warms it.

Which of the following will cause the fastest change in temperature of an ice cube?

• ice cube in a pot of boiling water
• ice cube in a pot of cold water
• ice cube in a pot of warm water
• ice cube on a plate at room temperature

Which of the following must be present for heat to flow from one substance to another?

• One of the substances must always be a solid.
• One of the substances must always be a liquid.
• The substances must be at the same temperature.
• The substances must be at the different temperature.

Which of the following cups will most likely keep my water cold?

• metal
• glass
• foam
• paper

She goes outside to make a snowman. Why do her hands stay warm?

• The heat flows quickly from the snow through the mitten.
• The heat flows quickly from the mitten to the snow.
• The gloves are good conductors that trap heat.
• The gloves are good insulators that trap heat.

Which is the BEST reason pots made out of the materials: aluminum, copper, and sometimes glass?

• They are able to stop the flow of heat.
• They are good conductors of heat.
• They keep the same amount of heat.
• They are good insulators of heat.