Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

In this experiment we will be determining whether birds prefer certain colors of seed.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea investigates whether plants can survive being frozen.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea investigates how magnetism can defy the force of gravity.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Find out whether putting something on top of a plant will inhibit its growth.

Discover whether cold or hot water from the faucet will boil faster on the stove.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Find out which type of sponge holds the most water.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!