In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

In this science fair project, young children notice and track changes in trees throughout the year.

This science project allows students to study the psychology of happiness.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.

This super fun science project, perfect for young children, combines crafts, dressing up as animals, outdoor play, and life science learning.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

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

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project tests the hypothesis that dark colors absorb more heat than light colors.

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this experiment, the weight of aluminum cans will be compared.

This science fair project idea explores the egg's thin membrane.

In this project, different brands of microwave popcorn are tested and compared.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This science fair project idea produces sounds by creating vibrations using different objects.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This classic children's game demonstrates how sound travels through air vs. through a solid.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

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 experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

This science fair project idea experiments with spinning color wheels and optical illusions.