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.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

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

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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

Transform your uncomfortable wooden shoes into charming mini planters!

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

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

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

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

Plants and light seem to be good buddies, but how far does the friendship really go?

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

Is it a square or a circle? See if you can trick your friends with this zany science project!

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.