B. With the help of an adult heat water with sawdust in a stove
1. What happened to the saw dust after the water heated?
2. When the mixture cools, what happens to the sawdust?
3. What kind of heat transfer is it?
C. Get a lampshade, turn it on and stay in front of it for 10 to 15 mins
1. How do you feel after staying for a long time in front of a lampshade
2. Why do you think you feel hot?
3. What kind of heat transfer is it?​