Our final series of Science lessons will be on energy transfer in living things.
Today we investigated: What do yeast use for energy?
Energy is the ability to cause change or create motion. We observed a mixture of yeast and water change from a "warm", "bitter"-smelling, "tan"-colored liquid to a "bubbly", "foamy" "cheesy"-smelling liquid after we added sugar. A change in matter's (the mixture's) properties means energy is being transferred!
Students will be able to explain that animals and humans cannot make their own food and that when animals and humans eat plants or other animals, the energy stored in the food source is passed to them.
Students will trace the flow of energy from the Sun as it is transferred along the food chain through the producers to the consumers such as herbivores, carnivores, and omnivores. (Science textbook p. 333-335, 340-341)
Check out this Study Jam on photosynthesis!
Check out this Study Jam on food chains!
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