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

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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!

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Introduce your child to science with something they see everyday--their shadow!

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

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Have your child observe, measure and record the amount of space objects occupy, and you'll have an inside space explorer on your hands in no time!

This science fair project idea identifies clouds as a means of predicting the weather.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

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

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

Here's a place mat your second grader can create, based on the classic frontier tradition of patchwork quilting.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

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.

This science fair project idea investigates food preference of birds.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

Introduce the idea of measuring weight to your preschooler or kindergartener by making a fun and easy-to-use bungee scale to weigh household objects.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

These handmade Christmas treat cups are perfect for house parties, school celebrations, and holiday bake sales.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

This science fair project idea measures physical dexterity as a function of temperature.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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