What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.