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

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Explore the wattage of microwaves in relevance to cooking time.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

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.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

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!

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

Invite your kindergartener to explore the bright new world of measurement by starting out with nonstandard (and tasty!) units, such as gummy bears or worms.

Help your child practice her counting as she makes this fun and festive holiday decoration!

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.

Forget the measuring stick! This fun math activity uses a body part, your child's hand, as a ruler.

This hands-on activity gives your child an opportunity to apply various strategies to solve a problem and to check if his answer makes sense.

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

This project explores what happens to a rubber band when it is heated and cooled.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Use this great no-bake recipe to save energy and keep cool.

This recipes is so easy your child gets to be master chef for this kitchen activity. He'll bake peanut butter banana oatmeal cookies that happen to be vegan!

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

Shamrock Stamps are a great way to celebrate St. Patrick's Day. Simple and symmetrical, this symbol of Irish culture is the perfect shape for prints.

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.