This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science experiment tests if dog saliva can really help heal wounds.

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!

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea compares biodiversity between drops of water.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!