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Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

Is your child a young ornithologist in the making?

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!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

This biodiversity project examines the biodiversity in your own backyard.

Create a bee garden to help shelter bees in your area.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

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.

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

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.

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

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

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

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

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