Do different types of oil mix or stack? Find out in this science fair project idea!

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

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.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Here's a fourth grade science craft with lots of benefits: it's good for birds, good for your child's learning, and good for the planet, too.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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.

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

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

This science fair project idea demonstrates that plants give off water.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Is your child a young ornithologist in the making?

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

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This surprisingly good glue recipe comes from common kitchen items.

Test whether plants can grow without sunlight and water.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.