In this project children practice the scientific method while playing with puffy paint.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

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

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

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

How do organic materials become soil? This science experiment measures what materials biodegrade.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

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.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

Delight your budding scientist with this cool physics magic trick and teach her some basic physics concepts while you're at it!

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

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.