This science fair project idea determines the most effective method of preserving food.

This science research project challenges students to think of more effective lobster farming methods.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

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

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

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

This science fair project idea explores the different properties of matter.

This project explores ways to prevent static electrical shocks.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

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

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

This science experiment tests if dog saliva can really help heal wounds.

Science fair project that determines whether mass and weight are the same or different.