Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.

This project examines whether sugar substitutes are as sweet as real sugar.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Your mission, if you choose to accept it, is to construct a parachute that will deliver an egg safely to the ground. Good luck!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

This project explores the interaction between air pressure and playing surface in determining a basketballâs bounce.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

This science fair project idea investigates how different disinfectants work in killing germs.

Explore the belief in astrology as a predictive system.

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

This project makes young children uniquely aware of their sense of touch and its ability to alone give them information about the world around them.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!