This science fair project investigates why the number of visible stars changes from place to place.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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.

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

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Take advantage of the fact that ink and water don't mix and introduce your kid to suminagashi, a Japanese form of art.

This project explores ways to prevent static electrical shocks.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

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

This project examines what types of objects burn and which burn faster and cleaner.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

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

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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

In this game, players will learn interesting facts about animal adaption and practice them using a fun matching card game!

This science research project challenges students to think of more effective lobster farming methods.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.