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This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Explore the relationship between personality traits and birth order effects.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This experiment uses Rosenberg's Self Esteem Scale to evaluate if there is a correlation between family size and self esteem.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Compare ability of selected materials to block UV-A radiation. Shine black light though glass at detecting beads underneath. Note color intensity.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

Is there really such a thing as healthy gum? Students will learn what factors in chewing gum contribute to healthy teeth in this exciting science fair project.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

The purpose of this science fair project is to build a basic radio.

This project explores differences in people's reactions to images in color and images in black and white.

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

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

Science fair project that guides you through how to test the humidity in the environment using a homemade psychrometer.

This project determines how much the rebound rates of tennis balls change after ten games.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!