This science fair project idea investigates the hardness property of minerals.

The objective of this science project is to investigate patterns in fingerprints among family members.

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

Science fair project that compares tap water and bottled water for the presence of common impurities.

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

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Find out whether optical mice are useful on all surfaces or if there are drawbacks to this supposedly superior solution to the traditional roller-ball mouse.

Analytical chemists perform chromatography to separate colors into pigments. Test the food coloring used in M&M's and Skittles candy in this fun project!

Invite your kindergarten scientist to conduct this color mixing experiment to discover which primary hues make a rainbow of secondary colors.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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.

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

In this project, you will observe and record changes in sunspots over two weeks.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea examines the actual cost of three household light bulbs by testing energy consumption.

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

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

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

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Can you wink? Is your ability to wink genetic or simply based on chance? Find out in this science fair project idea!

This middle school project examines the strength of horizontal versus vertical pointing eggshells.