This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea examines the reason boats are shaped and engineered.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project idea explores whether white light can be separated into different colors.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

In this science fair project, students use the streak test to tell minerals apart from each other.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

This science project allows students to study the psychology of happiness.

Will the shape of an ice cube impact how fast the ice melts?

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

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Demonstrate how to tell the age of an egg without having to crack it open.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

The purpose of this science fair project is to build a basic radio.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea produces sounds by creating vibrations using different objects.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.