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

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!

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

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!

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

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.

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

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.

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!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Do you think heat can affect a plant's growth rate?

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.