Work on simple addition and finding even numbers in this second-grade math card game.

Make a mood meter with your child to help them recognize and share their feelings.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

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

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Use pepper and soap to discover some fun facts about the properties of water.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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

In this challenge, students are tasked with creating a car that can be powered by a balloon!

In this design challenge, students will be tasked with creating a bouncy ball polymer!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Use these pretty egg carton flowers to decorate a spring table. They don't require water, they'll never wilt, and they're perfect for Easter.

Use a deck of playing cards to practice place value and other math concepts with your upper elementary child!

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project idea explores the different properties & interactions of sugar molecules.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

Craft butterflies from coffee filters in this sweet spring craft project!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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.

Make your own recycling game that helps teach your child what can and should be recycled.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

This Earth Day, create an adorable litter bug while learning about the importance of recycling.

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.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.