Teacher resources and professional development across the curriculum

Teacher professional development and classroom resources across the curriculum

Monthly Update sign up
Mailing List signup
Science in Focus: EnergySupport MaterialsChannel-TalkEnergy
About the Workshop
Broadcast Schedule
Graduate Credit
HomeSite Map
Energy Explanations
Energy Resources
Energy Discoveries
Tracing the Path
Individual Workshops
Workshop 1
Workshop 2
Workshop 3
Workshop 4
Workshop 5
Workshop 6
Workshop 7
Workshop 8

Workshop 5. Energy in Food

All life forms use energy. In this session, explore the transfer and conversion of the potential energy in food, and see how that energy is stored. Through animations, witness photosynthesis, the process by which plant cells capture the ultimate energy source for all food—sunlight.

This video is currently not available.

Program Questions


1. Where do we get energy?

All of our energy for life comes from food.

2. How do we get energy from food?

Digestion breaks food down to nutrient molecules. Nutrient molecules then move to all the cells in the body The process of respiration releases all the energy stored in these molecules.

3. Which foods give us the most energy?

Foods high in fat contain the most energy.

4. Where does food get energy?

The Sun is the original source of all the energy in our food.


WWWFurther Explanations


1. Digestion


2. Respiration


3. Metabolism


4. Burning

Toy Car

5. Photosynthesis


© Annenberg Foundation 2017. All rights reserved. Legal Policy