How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Learn all about balance and motion as your child designs a corn maze!

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

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

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

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

Help your child make a beautiful homemade sandcastle that will last!

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

In this investigation, three different juices are tested to determine which juice contains the greatest amount of vitamin C.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.