Find out whether a longer airplane will fly farther or a wider paper airplane.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

Science fair project which examines the chemical reaction of a candle flame with various gases in order to determine the identity of the gas.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Study blind spots, run experiments in blind spot detection, design an original blind spot experiment, test your design on volunteers

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

Boost your preschooler's attention to detail by getting her to explore the differences between two different pumpkins: large and small.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Science fair project that determines what percentage of air is made up of oxygen by examining the chemical reaction between oxygen and rust.

Science fair project that demonstrates the principle of conservation of mass by conducting a chemical reaction inside a sealed Ziploc bag.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

This science fair project idea explores what common compounds can be easily separated out in a centrifuge.

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

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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.

The objective of this science fair project is the compare the rate and efficiency of disaccharide and polysaccharide fermentation by yeast.