The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Examine the effect of pressure on carbonation in soda.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

This science fair project teaches students the differences between fruits and vegetables.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

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

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.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea investigates the difference in reaction times between boys and girls.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.