The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

This science fair project idea investigates whether air has mass and weight.

In this project, a basketball containing different psi is dropped to see how well it bounces.

This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

In this science project, the center of gravity is explored.

This science fair project idea teaches to understand and explore the concepts of crystal formation and dissolving substances.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

The project investigates how friction affects motion by using different surface textures.

The project investigates how water and movement affects erosion.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

In this project, different brands of microwave popcorn are tested and compared.

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

In this project, the affect of acid rain is simulated by the acid, vinegar.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

The objective of this science fair project is to investigate salt water density.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

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

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

This science fair project idea explores the egg's thin membrane.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!