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

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

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.

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

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

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

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.

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

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

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.

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

Determine how good we are at direct and indirect observation.

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

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

Identify vitamin C in fruit juices and to determine which of the following juices contain the most vitamin C