The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

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

Here is a quick experiment you can conduct at the playground to introduce or reinforce the concept of Newton's First Law, The Law of Inertia.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

This science fair project idea investigates if fats add to the flavor of food.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

This science fair project idea investigates the difference in reaction times between boys and girls.

Help your child learn about animal classification with this fun and delicious activity.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.