Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Have your child kick off their summer vacation by making a miniature water slide!

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

In this design challenge, your child will make a bottle rocket using typical household items.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

This science fair project teaches students about wilting and browning of salad greens.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!