Chapter 2

What is energy?

• moving energy

• stored energy

• renewable energy

• The ability to do work.

What is given off from energy?

• water

• heat

• smoke

• ash

Energy that causes a change in temperature between materials is...

• Energy Bars

• Heat Energy

• High Energy

• Temperature

Beth is learning about the properties of heat in science class. She knows that heat must flow to cause a change of temperature in a substance. Which of the following will cause the fastest change in temperature of an ice cube?

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

Is this item a conductor or insulator?

• conductor

• insulator

Is this item a conductor or insulator?

• conductor

• insulator

Why does a bowl feel hot after you pour soup in it?

• The air in the room is heating the mug.

• Your hand warms the mug.

• The mug will not feel warm.

• The heat is transferring from the coffee to the mug.

Heat flows from a ______ object to a ______ object.

• hot, cold

• cold, hot

Is this item a conductor or insulator?

• conductor

• insulator

What does this picture show?

• Reflection / reflexión

• Refraction / refracción

• Circle Path / camino circular