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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

People have favorite flavors, but what about ants? Which ant food is the most popular?

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This science fair project idea examines the reason boats are shaped and engineered.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

While your cells are much too small to see without a microscope, you can create the look of a cell in your very own home with just an egg and vinegar!

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.