| A | B |
|---|
| Wires in a toaster give off heat and light. What is responsible for these changes? | energy |
| Heat energy is measured by what tool? | thermometer |
| What do a human eye, microscope, and a telescope all have in common? | They contain one or more lenses |
| What appliance is designed to convert electrical energe into sound energy? | radio |
| Why can you see the Earth from outer space? | Earth reflects light from the sun. |
| What happpens to molecules from which heat is removed? | They move more slowly |
| What object is the best at reflecting light? | Mirror |
| What makes a pencil appear broken if you place it in a cup of water with the end sticking out? | refracted light |
| Why is something made of rubber considered to be a good insulator? | rubber does not allow electricity to pass through it easily |
| What is the best description of an object that is making sound? | It is moving back and forth |
