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

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

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

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!

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

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

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

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

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.

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

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

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

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

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

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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

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.

In almost every preschool classroom is a sensory table. Learn how to make one at home!

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?

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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