Determine whether fresh vegetables have more calories or less calories than canned vegetables.

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

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.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

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

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

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

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

Determine how good we are at direct and indirect observation.

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

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

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!

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

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

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

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.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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

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

Check out this science project idea that will have your kid investigate how dots (also known as pixels) are used to create digital photographs.

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

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.