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

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

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea explores how far the average human can see.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this experiment a spectrometer is used to analyze the light emitted by burning ion solutions.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Have your child make a special mobile inspired by the weather outside. Learn about seasons, the environment, and art in 3D.

Learn the anatomical and physiological differences between central and peripheral visual systems.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Try this simple activity with your middle schooler to help him develop an understanding of why scientific classification systems exist and how they work.

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

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.