Transcription of Chapter 4 Heat
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Chapter 4 HeatHave you ever seen a hot air balloon float high above Earth ssurface? What about a hang glider or a soaring bird of preylike a hawk? Each of these objects a hot air balloon, a hangglider, and a hawk take advantage of heat to fly. In thischapter, you will learn about heat and temperature and howthey affect natural events and human What is the difference between heat and temperature?2. Why does an ice cube melt in your hand?3. Does the Sun help a hawk to fly?76 UNIT 2 ENERGY IN EARTH S SYSTEMSF igure : The thickness of a sheet of aluminum foil is about 200,000 atoms across. Important note: Atoms are too small to see with your eyes or a magnifying glass!
4.1 WHAT IS HEAT? 79 CHAPTER 4: HEAT Heat is a form of energy From warmer to cooler objects Heat, as a form of energy, can be transferred from one object to another. Heat …
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