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...

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

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

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

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.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

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.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

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.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

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