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.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

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!

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

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.

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

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.

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

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.

Determine how good we are at direct and indirect observation.

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

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

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

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?

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

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

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

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

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

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

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

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

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

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

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