Science fair project that determines what neurons are, what they do and compiles this vital information in an illustrated book.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Science fair project that determines whether brain size is correlated with intelligence.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

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

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

This science fair project idea demonstrates the process of land erosion.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project determines whether the types of plants growing in a Pacific Northwest rain forest environment are influenced by the soil acidity.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Explore the role of starches as thickening agents in food, and learn about the chemical properties of starch in the process.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

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

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project examines the vein structure (venation) of leaves in order to determine the class of the plant sample.

This experiment will explore the best way to create a perfect soft-boiled egg.