You will be burning food in order to figure out how many calories are in the food. Good lab for an introduction to energy.
Before the Activity
Go over what energy and calories are. Go over eqautions used in the lab.
During the Activity
Watch to make sure students are using proper safety procedures. Also explain at different labs how they are losing calories.
After the Activity
Relate this activity to how we use insulation to save calories/energy. You should do the sock insulation lab