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.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

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

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

In this science fair project, students create their own miniature salt flats at home.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

In this design challenge, your child will make a bottle rocket using typical household items.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

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.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

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

This project explores ways to prevent static electrical shocks.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

Will the shape of an ice cube impact how fast the ice melts?

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

This science fair project idea determines the probability of a coin landing heads or tails.

Protozoa and ciliate and amoeba, oh my! The objective of this science fair project is for students to use a microscope and identify microscopic life.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.