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Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

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

This social science experiment endeavors to determine whether certain types of animals provide greater physical and mental health benefits to their owners.

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

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

This project examines who can jump higher, boys or girls, younger people or older, and how these two factors, gender and age, interact with one another.

This experiment explores how listening in to a one-sided conversation affects concentration.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Test ability to distinguish between natural and artificial aromatherapy oils. Select fragrance, natural and synthetic sample. Volunteers state preference.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This science fair project idea determines an average personâs ability to use their anaerobic power system over a period of 2 weeks.

This activity is a fun way to "go fishing" with your preschooler, while learning about the concepts of freezing and melting.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.