In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This science fair project teaches students the differences between fruits and vegetables.

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

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."