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.

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.

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.

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

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

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

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

Here's a science activity to help your child investigate how seeds are designed to travel.

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

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

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

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.

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

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

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.

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!

Determine how good we are at direct and indirect observation.

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

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

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

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

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

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

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

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