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!

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair project idea investigates how the shape of an object affects drag.

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

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

This science fair project idea explores how length affects the weight a bridge can hold.

In this experiment you will replicate the mummification process by making a hot dog mummy.

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

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

This project determines what category of person is most likely to be ticklish.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.