This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

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.

Discover whether a metal will expand under hot water.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Help your kindergarten science maven explore the water cycle without getting everything wet.

This science fair project idea examines which type of insulation holds in the most heat.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

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