Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

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

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

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

Have your child kick off their summer vacation by making a miniature water slide!

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Put your young paleontologist's puzzle-solving skills to the test by having her hunt for dinosaur bones and then assemble them to create dinosaur skeletons.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

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

Test whether plants can grow without sunlight and water.

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

This science fair project idea examines which type of insulation holds in the most heat.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.