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Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this experiment we will be determining whether birds prefer certain colors of seed.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

Learn about the CUPS strategy, a useful tool for editing children's writing.

Discover how and which salt melts ice the quickest.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Examine the effect of pressure on carbonation in soda.

Create a unique and colorful Mother's Day gift that Mom can use all year. Upcycle a tea tin by wrapping it with Washi tape!

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Your child can explore color mixing and design while folding together a paint-filled paper and then using a marker to outline it.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Will the shape of an ice cube impact how fast the ice melts?

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.