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

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Explore if planting seeds in a certain direction will affect how fast it germinates.

This science fair project idea examines whether boys and girls differ in reflexes.

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 experiment tests if dog saliva can really help heal wounds.

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

This science fair project examines how tsunamis travel by simulating a tsunami moving around an island. You will generate a pretend tsunami in a swimming pool.

This science fair project idea explores substances that cause a bubble to last longer.

In this project students experiment with making music using only glasses of water.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

In this science fair project, students use the streak test to tell minerals apart from each other.

This science fair project idea explores whether talking to a plant will help it grow.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

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

In this experiment we will be determining whether birds prefer certain colors of seed.

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 determines if the temperature of rubber effects how high it bounces.

This science fair project idea determines if the color of light affects the growth of plants.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.