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Science & Sensory: Holidays > Earth Day


Biodegradable? added 3-18-98
Submitted by: Fran

This activity can be used to illustrate how items can be broken down and how some items cannot. You may want to do this ahead of time, before your Earth Day unit.

Items needed:
styrofoam cup
plastic sandwich bag
cotton swab (Q-Tip)
apple cores
packing peanut
piece of bread
or any items that you know will break down and items that won't break down

Choose an area of the school grounds for the children to bury some of the things found in the classroom garbage. Have the children predict what will happen to each item. Write their answers down and keep them to refer to later. Bury the items in the ground and keep the area moist. Dig up the items each week to check on their progress. Discuss the predictions when you have finished. You may want to mark the area that you have dug. Perhaps a sign indicating ecologists at work would be nice.


 

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