Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Invite your second grader to help you measure and mix these fresh, cool concoctions!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Does your second grader want to learn a magic trick? Here is a simple trick using only 3 dice and a little bit of addition and subtraction.

Make this easy recipe for Halloween, featuring white chocolate and pretzels, for a crispy, creepy treat!

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

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.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Use empty soda bottles to create a fun bowling set that helps your first grader practice addition skills!

During the Passover Seder, many Jewish families pour a cup of red wine for Elijah. This year, help your child create his own welcoming glass for Elijah.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!