Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This experiment investigates whether there are certain sounds that affect men and women differently

This science fair experiment examines the relationship between gender, age, and smiling.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This experiment investigates if small changes in your diet can alter your basal body temperature.

This project will explore whether test subjects, deprived of points of reference, will, in attempting to walk a straight course, walk in circles.

This experiment evaluates whether frequent texters have better finger dexterity compared to people that rarely use text messaging.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

The objective of this science fair project is to determine whether planaria reproduce asexually by regeneration.

How much gas is released into your stomach by your favorite beverages? This project examines which beverages produce the most gas.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This experiment investigate whether children in different age groups learn better from a computer program or a human teacher.

This project explores differences in people's reactions to images in color and images in black and white.

This project examines the phenomenon of using a mirror to trick a person's brain into experiencing sensations in body parts not actually affected.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.