SC23.5.8: Use evidence to explain that energy from the sun is present in…

Food Webs: Who Eats Whom? Grade 5 · partly supports this outcome

Where a plant's food comes from, what happens when the wolves disappear, who cleans up, and how much life hides under a log. Four lessons on how energy and matter move through living things.

• Where does a plant get its food? 50–60 min, plus 10 min to weigh seedlings two weeks later

  Students sink spinach leaf disks in baking soda water and watch them float back up in the light as they make oxygen, then start bean seedlings with no soil at all and weigh them two weeks later. They explain that plants build their food from air and water using light, not from the soil.

• What would happen if the wolves disappeared? 45–60 min

  Students become species in a northern forest or a prairie and connect themselves with yarn into a living food web. When one species is removed, everyone who feels the yarn tug finds out how far the change spreads, and students explain why no species lives on its own.

Printable practice for SC23.5.8

These pages practise a closely related idea; the match to SC23.5.8 is partial.

• Food Webs: Who Eats Whom? workbook included with the unit

  2 English-support pages, 2 practice pages, 2 readings, 1 word wall, 1 unit review, 1 unit test, with answer keys.

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