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.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

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.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Here's a science activity to help your child investigate how seeds are designed to travel.

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

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This project examines whether people's taste perception is influenced by what they see.

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?

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This activity is a fun challenge for students who have just started learning to program educational robots.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This science fair project idea explores how length affects the weight a bridge can hold.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

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

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

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!

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.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.