Whats the difference between heat and temperature? Where are the hottest andcoldest places on Earth? How do snow caves keep people warm? This title looksat why ... » 

Whats the difference between heat and temperature? Where are the hottest andcoldest places on Earth? How do snow caves keep people warm? This title looksat why substances change from solid to liquid to gas how heat energy movesand in which ways humans use this knowledge in their everyday lives. Find outhow the Suns energy affects Earths weather how we can see heat energy andwhat happens in a substance when it freezes or boils. «