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Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

This simple experiment serves as an introduction to the greenhouse effect.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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