Play with balance and simple engineering as you hurry to create a sturdy rock tower.

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Get down to the rubber with this science project that tests the effectiveness of different types of erasers.

In this project children practice the scientific method while playing with puffy paint.

This science fair project idea explores how length affects the weight a bridge can hold.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.