Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

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.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

This science fair project idea provides evidence that air is everywhere and takes up space.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Check out this cool science fair project on identifying rocks and minerals for kids.