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This science fair project idea investigates the difference in reaction times between boys and girls.

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

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

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

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

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This biodiversity project examines the biodiversity in your own backyard.

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

This science experiment has students test whether a snail moves faster on concrete or dirt.

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

Use pepper and soap to discover some fun facts about the properties of water.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

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

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

This science fair project idea explores how length affects the weight a bridge can hold.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.