Explore scientific concepts with this experiment that introduces kids to the scientific method!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

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

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.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

Create a self-portrait from natural materials in this collage craft activity!

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.

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

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Make a spring collage with your child to get them outside and those creative juices flowing!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

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

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 teaches about mold. Students will test different foods to see which grow mold the fastest.

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

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

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

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

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!

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 design challenge, your child will create a parachute for a small toy using typical household items.

Water, along with soil and light, is a necessary component for plant growth. So what's better for promoting plant growth: tap water, or rain water?

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.