How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science experiment has students test whether a snail moves faster on concrete or dirt.

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

This project leads to an understanding that a whole may be built of smaller parts that fit and work together and provides an introduction to basic tools.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!