Download ONLINE ACTIVITY 7-2

ONLINE ACTIVITY 7-2
“food stores chemical energy”
NAME _______________________________
OBJECTIVE: to compare what happens to the chemical energy in food when consumed by fire
and by a human.
1. Drag the Tom’s marshmallow to the fire and release. Observe
what happens.
2. Describe the results here:
3. Write the chemical equation of the burning marshmallow.
____________ + ____________ 
____________ + ____________ + ___________
4. How are the processes of the “burning” of the marshmellow and
eating the marshmallow similar?
ONLINE ACTIVITY 7-3
“atP ProVides energy for cellUlar WorK”
OBJECTIVE: to discover how ATP stores energy.
1. List 5 things your cells use energy to do.
2. Why can’t cells use food energy directly?
3. Drag your cursor over the items in the picture below. Find three activities for which cells
need ATP energy.
4. Write the full name for ATP: ________________________________
5. Where does ATP store energy?
6. Explain what happens to the molecule of ATP
when a cell needs energy.
7. ATP + H2O 
___________ + ____________ + ____________