How Do Refrigerators Work?Infobase Publishing, 2009 - 32 ページ Nearly every home has a refrigerator to keep foods tasty and safe to eat. But how does this handy kitchen appliance keep foods cool? How Do Refrigerators Work? explains the science behind the workings of a refrigerator, its history in the household, and how energy and pressure are used to keep foods cool. This science guide is colorfully illustrated to capture young readers' attention. |
目次
Keeping Cool | 4 |
How Food Spoils | 6 |
Refrigerators and Heat | 8 |
Hot and Cold | 10 |
Under Pressure | 12 |
Low Pressure | 14 |
High Pressure | 16 |
More High Pressure | 18 |
Temperature Control | 22 |
Refrigeration in the Past | 24 |
Iceboxes | 26 |
Electric Refrigerators | 28 |
Glossary | 30 |
To Learn More | 31 |
Index | 32 |
Back to the Evaporator | 20 |
多く使われている語句
air pressure animals balloon block of ice blow body boil bottom butter called carried chilling section cold air colder comes compressed compressor condenser cool cooler decay device dollar door drops energy enzymes evaporator feel first flows force freezer fresh frozen gasket gel pack grow happens harm Heat travels helps high pressure hot day ice house icebox iceman inside keep kinds KNOW less lined liquid living longer loses heat low temperature lower machine material meat melted microbes move needs outlined in black Past pickled picture plant preserved pull pump quickly refriger refrigerant goes refrigerator door refrigerator’s rotting scientists seal shipped shut side skin slow snow soaking up heat space spoiling squeeze starts stored substance summer temperature things tiny tire tube turns wall warm air warm place warmer winter