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

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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

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.

Discover how and which salt melts ice the quickest.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

This science fair project idea identifies trees using a dichotomous key.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

In this fun activity, your child will create their very own solar oven to bake s'mores!

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Start your toy engines -- this is going to be a fast and friction-filled race!

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Find out which type of sponge holds the most water.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

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.