1. Picture a glass beaker of water being heated on a small hot plate. Name at least one place where heat is traveling by conduction, convection and radiation.
2. Explain this statement: Unless a thermometer is alreadyin thermal equilibrium with the fluid being tested, the act of measuring the temperature either adds or removes thermal energy from the fluid.
3. How could the use of a ceiling fan in the winter months make a heating system operate more efficiently.
4. How does heat do work on a hot air balloon?
5. Explain how solar energy can be a valuable alternative to some of our present enrgy sources.
2006-12-21 10:56:53 · 2 answers · asked by Anonymous in Education & Reference ➔ Homework Help
Ummm.. ya do your own homework ten points isn't worth it!
2006-12-21 11:04:27 · answer #1 · answered by Michelle R 2 · 0⤊ 1⤋
1. no clue
2.no clue
3.no clue
4. well heat is so light if enough heat is created it would fill the balloon with so much like hot air that it would rise. (try this experiment. take 2 glasses, fill one with hot water and 1 with cold. put colour in so u no which one is which. stack the glasses. cold on top, and hot at bottom. observe. try again. with cold at bottom and hot on top.remember the colouring. its so sool)
5. because we have more solar energy than anything else. like at the equator and tropics.
2006-12-21 12:11:14 · answer #2 · answered by Shmily P 3 · 0⤊ 0⤋