Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Put those fall leaves to use with this fun art activity. Kids paint and print leaves, to make a beautiful tablecloth, perfect for your next fall celebration.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

This project examines what types of objects burn and which burn faster and cleaner.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

This science fair project challenges students to research and interact with the animals and plants that live in tide pools and test a practical use of tidepools

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

This cool middle school science fair project idea helps students explore the role phototropism plays in the growth of green plants.

Which sunscreen is most effective at blocking the sun's harmful UV rays? Test the SPF of various sunblock brands in this cool science project!

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

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

This easy at-home experiment is a great way to "see" science.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.