Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

This science fair project investigates why the number of visible stars changes from place to place.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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?

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

This project investigates the affect of storage temperature on microwave popcorn.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

This experiment tests which gender is better at catching how a magician performs his tricks.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Find out whether putting something on top of a plant will inhibit its growth.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.