This science fair project idea provides evidence that air is everywhere and takes up space.

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

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

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This activity challenges students to use computational thinking as they create a sequence of commands that will make a robot move in a pattern related to the sound and rhythm of music.

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

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This project investigates the affect of storage temperature on microwave popcorn.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Explore if planting seeds in a certain direction will affect how fast it germinates.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Find out which kind of bubble wrap fares best when put in impact.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?