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This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

This project examines whether more expensive golf balls translate into better results on the golf course.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

This science fair project idea explores whether color affects a person's emotional state.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Determine whether the application of Febreeze will lower the bacterial count.

This experiment researches if you gave different amounts of food to mosquito larvae would they grow faster or slower

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

Check out this fun science fair project idea to measure bacterial colonies from door handles and explore the effectiveness of different cleaning agents.

Find out the differences (if any) in the frequencies of voices produced from a computer, from a phone, and directly coming out of the voice box of a human.

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

Science fair project that tests the effects of diluted soap on the size of bubbles blown from the solution. Will dilution cause smaller bubbles?

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

How powerful is the reaction between baking soda and vinegar? Find out here!

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This experiment will evaluate if the environments that people work in affect their speed and accuracy in performing mental tasks.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?