Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

In this science fair project you will make a model of a cell membrane using very simple material.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This science fair project will help students learn about non-vascular plants, such as mosses.

This project compares the strength of one, two, and three-ply toilet paper.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

This science fair project teaches students about wilting and browning of salad greens.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

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