Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Determine whether the application of Febreeze will lower the bacterial count.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Want to give your teen some insight into the scientific method and get the house cleaned? This activity promises both!

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!

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

introduction to organic chemistry. study what happens when polymer molecules are mixed with borax solution.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

Construct a model of radioactive decay. Learn more about radioactive decay by modeling the process using coin flips.

Help your middle schooler improve his observation skills by playing this simple observation and spatial memorization game.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

Multiple-choice test questions can be confusing. Here's a toolbox of tricks and strategies to help your teen become a multiple-choice master.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

In this project children practice the scientific method while playing with puffy paint.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Show your middle schooler how a quick whirl of spinach in the blender will reveal the cobwebby "stuff"--or DNA--of life!

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.