In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Challenge your learner to design and build a city of their own in this creative engineering activity.

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

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.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

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.

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

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

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

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

In this design challenge, your child will create a parachute for a small toy using typical household items.

In this project, a magnet is used to collect iron from breakfast cereals.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.