What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

In this science fair project, students investigate how different colors influence appetite.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Science fair project that illustrates the properties of black holes in space.

Create a self-portrait from natural materials in this collage craft activity!

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

Science fair project that examines the biodiversity of ant populations in various locations.

This science fair project idea studies the differences in gender perception between people.

In this activity your child will create their very own marble maze!

This science fair project idea examines whether boys and girls differ in reflexes.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

Explore if planting seeds in a certain direction will affect how fast it germinates.

In this experiment we use Scotch Guard to make sand that resists water.

In this science fair project, students create their own miniature salt flats at home.

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

This project examines the concentration of dissolved oxygen in water, with and without oil.

Find out which kind of bubble wrap fares best when put in impact.

Explore concepts in current and coltage with these Van de Graaff generator experiments.

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

Learn how different types of soil affect how animal tracks form in this experiment!

In this experiment we will be determining whether birds prefer certain colors of seed.

This experiment explores how listening in to a one-sided conversation affects concentration.

This science fair project idea investigates how images are influenced by changes in light.

In this fun experiment, we'll find out how color affects heat absorption!

Store bowls of fresh fruit in differently lighted environments. Contrast freshness based on appearance.

This science fair project idea investigates how different disinfectants work in killing germs.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

Make sourdough bread...and learn some colonial history and modern science in the process!