This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Demonstrate how to tell the age of an egg without having to crack it open.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Have your child kick off their summer vacation by making a miniature water slide!

Find out which type of sponge holds the most water.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project will help students learn about non-vascular plants, such as mosses.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.