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Here's a way to make history both interesting and relevant: design a garden using plants that were used by people in colonial times!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

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

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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?

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.

This science fair project idea studies how talking on a cell phone affect driving?

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

This science fair project idea investigates how images are influenced by changes in light.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Teach your first grade scientist the difference between liquids and solids using maple syrup.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This project determines what percentage of test subjects react adversely to the sound of fingernails on a chalkboard and explores their physiological responses.

For this activity your child will use the ready made glycerin base to create elegant rose petal hand soaps.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

This science fair project idea explores whether talking to a plant will help it grow.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Challenge your learner to design and build a city of their own in this creative engineering activity.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.