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.

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.

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

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

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.

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.

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.

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

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.

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.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

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

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

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

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

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.

Study structure of the lens found in the human eye and determine whether it is concave or convex. Prepare a ray diagram, formulate hypothesis.

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

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

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

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

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

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