Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Kids learn how to make a simple electric motor in this great engineering science fair project that teaches them how current generates its own magnetic field.

Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

This science fair project idea investigates if fats add to the flavor of food.

Help your preschooler chart her good eating habits with this arts and crafts activity that has her making a healthy fruits and vegetables rainbow and graph!

In this project, several food items are tested to determine whether they contain starch.

Science fair project that demonstrates that rotting food attracts insects that lay eggs on it.

This is a simple, nutritious food kids love for snacks and lunches all year.

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.