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1000 Science Fair Projects with Complete Instructions

6 Recycled Materials Projects

6 Recycled Materials Projects

Explore minimizing garbage and waste and using recycled materials these science projects! Find out how much of your garbage can be recycled or composted, how long it takes for compostable utensils to degrade & more!

Browse Recycled Materials Projects

Take a look at the range of projects using recycled materials or centered around recycling. Each project comes with detailed instructions and videos. These projects are not only excellent choices for students' science fair projects but also serve as a fun way to introduce kids to the importance of protecting our environment.

Recycling, Pollution, and Reusable Materials
Compare everyday items for environmental impact, then watch food coloring spread through water to see why pollution never truly disappears.
Easy
Landfills, Composting, and Solid Waste
Build a compost column and watch which everyday trash items decompose and which survive unchanged for weeks.
Medium
Soil Burial and Biodegradable Materials
Bury six different materials in soil-filled bottles and check every few weeks to see which ones crumble and which survive.
Easy
Biodegradable Spoon Decomposition
Bury three types of spoons in soil for 30 days and weigh them to find out which ones actually decompose.
Medium
Egg Drop Survival Challenge
Design a protective case from household materials and find out whether your raw egg survives a high drop.
Medium
Recycled Water and Radish Growth
Water radish plants with three different water types for four weeks and see which produces the tallest growth.
Easy

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