In this activity your child will create their very own marble maze!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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.

This science fair project idea experiments with spinning color wheels and optical illusions.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

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

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

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

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

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

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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!

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Help your child learn about animal classification with this fun and delicious activity.

Discover how and which salt melts ice the quickest.

In this science fair project, students make their own rain gauge to measure rainfall.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea investigates how magnetism can defy the force of gravity.

This science fair project idea explores the different properties of matter.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.