Research and understand basic computer science. Build a simple computer, following instructions found online. Design a new or improved feature.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

The purpose of this science fair project is to build a basic radio.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Design and build an invention inspired by Rube Goldberg's designs. Build your invention. Test the machine, write a detailed report.

Design and build a scale model representing living tree architecture. Then build a full-size version using one or more lives trees, and test your creation.

Build basic projector out of ordinary materials. Create several color transparency slides, demonstrate your creation.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Research Earthship buildings. Draft a unique architectural design that repurposes used, discarded radial tires. Build scale model of structure.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Design a livable building that functions without electricity. Consider necessities, comforts and entertainment. Build a scale model of your design.

Kids build a rainforest food web to explore trophic levels in this cool science fair project for 4th grade.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

Research overview of architecural acoustics. Design and build a whispering wall from wood or plastic. Test which materials work best.

Design and build a balloon rocket from an existing design. Think of the ways in which existing designs can be improved, new practical applications

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Build a magnetic linear accelerator using a ruler, neodymium magnets, and small metal balls in this fun science fair project exploring magnetic propulsion.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

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 windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.