This science fair project idea explores whether talking to a plant will help it grow.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

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

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

In this project students experiment with making music using only glasses of water.

Find out whether matte or shiny nail polish lasts longer.

Learn whether Mylar Balloons last longer than Latex Balloons or vice versa.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

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

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

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Make sourdough bread...and learn some colonial history and modern science in the process!

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea determines if the temperature of rubber effects how high it bounces.