This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

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.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

This science experiment tests if dog saliva can really help heal wounds.

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.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

This clay "painting" activity encourages and supports creative development and critical thinking skills.