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.

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.

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

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

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

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

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

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

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

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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.

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

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

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

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!

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

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

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

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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.

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.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.