Showing Results for compare with same denominators 2 : Page 26

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

This biodiversity project examines the biodiversity in your own backyard.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

This preschool activity uses paint chips to help your child learn about different shades of colors and how to find different colors in nature.

Science fair project that cultivates slime mold and monitors the stages of its development.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Believe it or not, the common spud has enough electrochemical energy to power a small digital clock.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Give your child a chance to experiment with how things grow. And throw in something extra to up the fun factor even more...her very own grass pet!

In this science fair project caffeine will be extracted from Gunpowder Green Tea, illustrating the isolation of a naturally occurring product from a plant.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Alive or not? This yeast experiment you can conduct with your little scientist explores the answer to this timeless question.