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

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Science fair project that determines whether moths are attracted to one color of light more than others.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

This science fair project demonstrates the "power of conformity".

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

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 cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This science fair project determines how oil affects a bird’s waterproofing.

This science fair project idea discovers the principle of conservation of mass.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Determine how good we are at direct and indirect observation.

Science fair project in which you will graft branches from different fruit tree onto a root stalk.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.

This cool music science fair project idea has kids determine the effect of music on memory. Can music improve our cognitive abilities? Why or why not?

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

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

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project idea determines whether dogs can be trained faster using a food reward or praise.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Get this cool middle school science fair project idea on how to conduct a flame test to detect the presence of certain metals in chemical compounds.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This fascinating science fair project explores eye color genotypes.