Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

These sparkling earrings look fancy but they're super simple to make using inexpensive craft items.

Make learning how to calculate surface area easy and fun using this simple hands-on approach.

This project is a great way to explore variations in how to paint using watercolor.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Most often, a collage is 2-dimensional, but instead of using paper as a base, this project uses an inexpensive pumpkin from the craft store.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Your child can be a Fauvist painter using bright colors and his imagination to create wild artwork!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Make unique and pretty bracelets using that all-purpose mainstay of crafts and home repair: duct tape!

Invite your child to create a lovely windmill using the ancient art of origami.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Using wholesome, natural ingredients like oatmeal, honey and raisins your child can make homemade granola bars!

Using only straight-line sewing, your fourth can create a nifty felt pencil case perfect for his busy life.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Using an empty plastic bottle, your child can create a newfangled version of this African percussion instrument.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Create a unique gift that is as useful as it is gorgeous by using eggshells, tempera paint and glue.

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

Your child will create their very own traditional Indian Toran wall hanging using construction paper, yarn and paint.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

Have fun making recycled paper using scraps of used paper in your home with this hands-on project.

Re-purpose an old glass bottle into a cute vase using a few pieces of felt and a little imagination.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.