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

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

This science experiment tests if dog saliva can really help heal wounds.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

This science fair project idea explores how length affects the weight a bridge can hold.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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 project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates whether plants can survive being frozen.

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?