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

Science fair project the demonstrates Newton's Third Law using a milk carton filled with water.

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

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project examines how seeds hitchhike on animals and clothing.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

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

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Research what is known about Alzheimer's disease and its treatment, and then prepare a script for television to educate the public.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

In this science experiment, test the pH of soil surrounding a gas station to determine if gas stations have a negative effect on the environment.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This project examines various algorithms to determine the ideal algorithm for a strategy game.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

The objective of this experiment is to evaluate the effects of acid rain on plants.

This project examines the concentration of dissolved oxygen in water, with and without oil.