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Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

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

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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

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

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

Teach your child how butter is created by shaking up cream the old-fashioned way.

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

This easy at-home experiment is a great way to "see" science.

Make a spring collage with your child to get them outside and those creative juices flowing!

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.

This project explores ways to prevent static electrical shocks.

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