Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

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

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

This science fair project idea compares biodiversity between drops of water.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This science fair project idea investigates how color affects temperature.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this experiment you will replicate the mummification process by making a hot dog mummy.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

This science fair project idea explores the different properties of matter.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.