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This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Construct and experiment with a periscope using reflected light rays to gather an image.

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

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

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

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 studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

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

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.