This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Create a self-portrait from natural materials in this collage craft activity!

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot navigate around several obstacles.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Slip some science into storm watching with a homemade rain gauge!

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

Plants and light seem to be good buddies, but how far does the friendship really go?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Is it a square or a circle? See if you can trick your friends with this zany science project!