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

Whatever is stacked in your cupboard can be used to help your child learn how to compare fractions and decimals. A great hands-on math lesson!

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.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

This little chick is so cute that your child will want to make a whole flock to call her own.

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Have your student draft a blueprint for a haunted house, and trick (or treat) them into learning about geometry in the process.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This fun activity encourages your child to develop their skills in not only taking measurements, but also in working with the measurements themselves.

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

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

Introduce your fourth or fifth grader to volume by having him build rectangular prisms, and then count each sugar cube to check his volume calculations.

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.

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.

Get estimating with this spooky activity that asks your young mathematician to rely on their problem-solving skills to figure out how many items they believe are in spooky Halloween jars!

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

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

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

Use familiar household items and decorations to turn estimation into a fun game!

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.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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

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

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