Help your preschooler practice observing and experimenting with this exciting activity where they'll get to examine objects below the water's surface!

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This science fair project idea creates an underwater habitat and explores the basic needs of living things under water.

Word color association is just a fancy way to talk about the way we connect colors with words.

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This experiment investigates whether font choice affects peoplesâ ability to remember the information that they read.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Ignite your kindergartener's love of adventure and learning with an imaginary trip under the sea.

In this experiment we use Scotch Guard to make sand that resists water.

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Aquariums are usually reserved for fish, but this aquarium will contain creatures from your child's imagination!

In this fun science fair project, draw a 3D picture and compare the holographic effects of red and blue 3D glasses and HD glasses!

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

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

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

This interactive project invites science fair-goers to participate in examination and recording to demonstrate the importance of firsthand observation.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

This science project idea determines how people recognize words while reading.

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!