This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

How well can people recall what they have observed. Test your knowledge in this fun experiment.