This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this project, waves of vibrations are experimented with using water in glasses.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea determines if family members can recognize one another using only the sense of smell.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Find out whether matte or shiny nail polish lasts longer.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea determines if the color of light affects the growth of plants.

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

This science experiment tests if dog saliva can really help heal wounds.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Science fair project that determines whether mass and weight are the same or different.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea explores substances that cause a bubble to last longer.

In this project students experiment with making music using only glasses of water.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.