This science project challenges students to study the salt content in tap water and learn about electrochemistry.

The objective of this science fair project is to observe the properties of friction and apply this knowledge to search for a near-frictionless surface.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

Are red apples really sweeter than green apples? The objective of this science fair project is to test the theory with quantitative evidence.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

This science fair project idea will be examining oxidation and acid rain

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This research project teaches students about synesthesia, a neurological condition that causes sensory overlap.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Demonstrate the principle of jet propulsion in this science fair project by building a rocket from household materials.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

Science fair project about different digital image file types, compares different encoding algorithms used to compress the data.

Free science fair project idea examining how different types of water affect plant germination and growth.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

The goal of this project is to create an exciting topographical map out of dough.