In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

How powerful is the reaction between baking soda and vinegar? Find out here!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

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

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

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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

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!

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 objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

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

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

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

These delicious Easter Basket Cupcakes are a simple, creative holiday treat. These cupcakes sit in waffle bowls with festive coconut grass and jellybean eggs.

Enjoy this kid-friendly recipe for Irish soda bread, just in time for St. Patrick's Day!

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

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!

Have your child construct his own Christmas tree from construction paper while cutting, overlapping and measuring to create an adorable modern design.

Make this delicious warm apple bread for Hanukkah.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

Give your second grader a chance to get his feet wet with measurement before he moves onto the more complicated stuff by trying this activity with him at home.