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see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project examines the different composition of fungi and plants.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project idea produces consumable fresh water from salt water through desalination.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

It's the day before the test, and you still have a ton to memorize! Sound familiar? Test memorizing techniques to help yourself out next time.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

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

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea demonstrates how our fingers prune when in water.