Test your friends to find out if you can replicate the placebo effect's incredible results.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Make a backbone model to explore human anatomy and life science.

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.

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This science fair project idea explores the egg's thin membrane.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Children learn the six parts of a plant...but do they really understand? Try this plant-themed meal plan to bring school science into the home.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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.

This science project allows students to study the psychology of happiness.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables