What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

This basketball project explores the best way to make the perfect shot every time.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

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

Find out whether matte or shiny nail polish lasts longer.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

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

Find out which kind of bubble wrap fares best when put in impact.

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

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea investigates how color affects temperature.

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

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

This science fair project idea examines the reason boats are shaped and engineered.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

This science fair project idea produces sounds by creating vibrations using different objects.