This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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!

Make a backbone model to explore human anatomy and life science.

In this science fair project, young children notice and track changes in trees throughout the year.

Learn how different types of soil affect how animal tracks form in this experiment!

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

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.

Checkerboard play challenges students to use spatial reasoning and computational thinking.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

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

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.

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

This science fair project idea explores whether white light can be separated into different colors.

In this experiment we will be determining whether birds prefer certain colors of seed.

In this science fair project, students use the streak test to tell minerals apart from each other.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

This science fair project idea demonstrates that plants give off water.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.