A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

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.

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.

This science fair project idea determines what household items are good conductors of electricity.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This science fair project idea determines what household items are good conductors of electricity.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

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

This science fair project idea produces sounds by creating vibrations using different objects.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

This project examines whether people's taste perception is influenced by what they see.

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.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

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

On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Excite your fourth grader by recreating ancient Viking myths. This miniature longboat will explore the principle of water molecules expanding when heated.