This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

In this science fair project, students make their own rain gauge to measure rainfall.

Learn about the role of Earth's rotation on the Coriolis Effect and hurricanes in this science project. Model the Coriolis Effect on a hurricane's direction.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Plants and light seem to be good buddies, but how far does the friendship really go?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

This science fair project idea investigates whether plants can survive being frozen.

This science fair project idea explores substances that cause a bubble to last longer.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

In this project students experiment with making music using only glasses of water.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.