Preschool - 3rd Grade Science Activities

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

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

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

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

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

This science fair project idea determines what household items are good conductors of electricity.

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.

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

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.

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

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

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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!

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

Learn all about balance and motion as your child designs a corn maze!

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 two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

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

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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.

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?

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

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.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this activity, your child will be challenged to make a tower using paper cups.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

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

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

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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