| A | B |
|---|
| Metals __________ when heated. | expand |
| Temperature is shown in a liquid crystal thermometer by _____________. | a change of color |
| Metals ____________ when cooled. | contract |
| A _________ is used to measure an object's temperature. | thermometer |
| A _____________ measures temperatures of very hot objects by their color. | pyrometer |
| _____________ is different from most liquids because it will expand when it freezes. | water |
| If particles in matter move faster, then the matter becomes ____________. | warmer |
| Heat is the flow of energy from _____________to cooler matter. | warmer |
| If two objects have the same temperature the objects with the _____________ amount will give off the most heat. | larger |
| If a wire is heated on one end and the other end becomes hot the heat moved by ______________. | conduction |
| ___________ occurs when a gas or liquid rises carrying heat. | convection |
| A microwave oven is an example of heating by ___________. | radiation |
| Temperature of warmer matter will fall when heat flows to ____________ matter. | cooler |
| __________is a kind of thermal energy that moves through empty space. | radiation |
| Boiling an egg in water is an exmaple of __________. | convection |
| Cooking a cake in an oven is an example of __________. | convection |
| A sidewalk getting hot in summer is an example of ____________. | radiation |
| Getting warm in front of a campfire is an example of ___________. | radiation |
| A hot, sunny day is an example of ___________. | radiation |
| Frying an egg in a pan is an example of ___________. | conduction |
