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Where does food come from and where does it go next?

 

Unit Summary

This unit on matter cycling and photosynthesis begins with students reflecting on what they ate for breakfast. Students are prompted to consider where their food comes from and consider which breakfast items might be from plants. Then students taste a common breakfast food, maple syrup, and see that according to the label, it is 100% from a tree.

Based on the preceding unit, students argue that they know what happens to the sugar in syrup when they consume it. It is absorbed into the circulatory system and transported to cells in their body to be used for fuel. Students explore what else is in food and discover that food from plants, like bananas, peanut butter, beans, avocado, and almonds, not only have sugars but proteins and fats as well. This discovery leads them to wonder how plants are getting these food molecules and where a plant’s food comes from.

Students figure out that they can trace all food back to plants, including processed and synthetic food. They obtain and communicate information to explain how matter gets from living things that have died back into the system through processes done by decomposers. Students finally explain that the pieces of their food are constantly recycled between living and nonliving parts of a system.

This unit builds towards the following NGSS Performance Expectations (PEs) as described in the OpenSciEd Scope & Sequence: MS-LS1-6, MS-LS2-3, and MS-PS1-3. The OpenSciEd units are designed for hands-on learning, and therefore materials are necessary to teach the unit. These materials can be purchased as science kits or assembled using the kit material list. This unit requires some advanced laboratory preparation, which should be addressed a month before teaching the unit. 

 

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NGSS Design Badge

Awarded: Feb 11, 2020

Awarded To: OpenSciEd Unit 7.4: Where Does Food Come from and Where Does It Go Next?

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