This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

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

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Check out this fun science project idea to get a better understanding of unstable isotopes and the process of radioactive decay of isotopes through modeling.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Got a young scientist at home? Try this project with him!Create your own molecule design with this home-made clay recipe and some toothpicks!

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

This science fair project idea designs a unique, eco-friendly living space and encourages advances in green architecture.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

Will the shape of an ice cube impact how fast the ice melts?

With this activity, not only will you be experimenting with giving accurate information, you'll also teach your child how to write good scientific procedures.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

This science fair project idea deals with the qualities of shade on a sunny day.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

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

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

This experiment will explore the possibility of creating an infinite object by hand.

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.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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

This experiment examines if space objects become round after reaching a certain mass.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.