The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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!

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

This project explores whether music affects the growth and health of plants.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Help your child practice symmetry with this fun activity that will leave your child with a sweet symmetrical treat!

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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

Science fair project that cultivates slime mold and monitors the stages of its development.

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

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.

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!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

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

Got a kid who loves fashion? Help her develop her own unique style with this tie-dye project using natural dyes.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

This first grade science activity is great for winter! Your child will grow and observe her own amaryllis bulb, keeping a journal of her scientific findings.