In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

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.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

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

Satisfy your kindergartener's fascination of different sounds with this easy science project, where they'll use their ears instead of their eyes to identify sounds!

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Let your young adventurer go bug hunting in the great outdoors with their very own bug net!

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This science fair project idea produces sounds by creating vibrations using different objects.