learned about the formation of fossil fuels

learned about the extraction and refining of fossil fuels

investigated the burning of fossil fuels

learned about the impact of fossil-fuel-based technologies on the environment

learned about sources of alternative energy

learned how alternative sources of energy are used

learned about conserving energy at home

learned about the cellular structure of plants

learned what photosynthesis is and what is required for it to occur

learned about cellular respiration in plants and why it is important

learned about the cellular structure of humans and animals

learned how humans get energy from food

learned about energy input and output