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This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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.

This science fair project idea explores whether a sundial is as accurate as an atomic clock when telling time.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

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

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

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.

This project explores ways to prevent static electrical shocks.

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

Find out whether putting something on top of a plant will inhibit its growth.

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

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

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

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

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

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

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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?

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

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

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 study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.