In this activity, your child will be challenged to make a tower using paper cups.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

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.

Learn whether writing things down really makes things easier to remember.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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.

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.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this science fair project you will make a model of a cell membrane using very simple material.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

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

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.