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This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Test whether plants can grow without sunlight and water.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

This science fair project idea explores how length affects the weight a bridge can hold.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

This experiment will explore the possibility of creating an infinite object by hand.

This science fair project evaluates which sense produces the fastest response time: hearing, touching, smelling or seeing.

Test the effects of left and right handedness on writing speed and penmanship. Volunteers hand-copy the same paragraph of text, which samples look neater?

The goal of this science fair project is to demonstrate the effects of oxidation by writing a message in invisible ink made from lemon juice.

In this project children practice the scientific method while playing with puffy paint.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

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