Homework 8
Objective 4
1. The particles at a warmer temperature are moving faster and that means there is more thermal energy. At a cooler temperature, the particles move slower and there is less energy.
2. The ice cream is suddenly exposed to warm air and then melts. It changes its state of matter. Ice cream is partly thin air, and this air makes up some of its volume. When you put the ice cream in hot air is starts to absorb it absorbs the heat.
3. When you add heat to something, the particles begin to vibrate a lot. When you cool it, the vibrating is less.
4. Condensation occurs when hot air and cold air come together.
5. Sublimation occurs when a solid can go from a solid to a gas. It is an endothermic reaction and absorbs heat.
Citations:
http://www.word-detective.com/howcome/icecreammelt.html
http://www.macmillan-caribbean.com/uploads/5c4bbec7-640b-4ff2-8fec-aad991ae2634_CSEC%20Chemistry%20pages.pdf
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