This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Check out this fun leaf chromatography science fair project idea for middle school students and discover the hidden pigments in leaves.

Help your child create her very own invention just like Leonardo da Vinci as she develops her critical thinking skills and lets her imagination soar!

Finger puppets encourage creative play, communication, and they give you a great way to share the Passover story with your kids.

Test your friends to find out if you can replicate the placebo effect's incredible results.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

In this activity, your child will learn how to spruce up her bike with an original license plate!

Riddles about two trains passing in the night are often featured on SAT tests. Help break these problems down into five easy steps.

Your middle schooler's favorite book is being made into a motion picture, and she's the chosen designer. Help her create a movie poster to entice viewers.

Don't let alphabet practice turn into catching zzz's. Paint up a zany Z zebra and inject a little excitement into learning letters.

If your child is particularly handy or artistic, she'll love putting her talents toward making a custom key holder. It's the perfect gift for any occasion.

When your child makes cute and delicious pudding cup faces, he has also created edible works of art!

Celebrate the flavors of fall by making this sweet breakfast treat with your child. It beats the stuff from the box any day!

Play multiplication war, a fun card game, with your child and before long those annoying multiplication facts will be part of her mathematical skill set.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Help your preschooler practice tying knots and bows by making a chain of chocolate kisses in this sweet Valentine's Day arts and crafts activity.

Everyone loves homemade cookies, but have you ever thought about making the cookie cutters at home? Here's some instructions for making homemade cookie cutters.

Combat summer boredom with this easy and fun game. Race against each other to see who can fill their bucket the fastest using leaky cups!

Get inspired by nature and use recycled materials to create unforgettable pencil holders in time for the back to school season.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

This angel craft for kids makes for a beautiful Christmas decoration. Make an angel craft for kids this holiday season.