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In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

This science fair project idea explores whether color affects a person's emotional state.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Teach your child how butter is created by shaking up cream the old-fashioned way.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project examines how seeds hitchhike on animals and clothing.

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

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!

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

An home science experiment for older students that teaches about the science behind heat.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This science fair project teaches students about wilting and browning of salad greens.

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

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.