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This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

This science fair project idea determines the probability of a coin landing heads or tails.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

This project examines the concentration of dissolved oxygen in water, with and without oil.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

A cool physics science fair project idea for 7th grade exploring the application of distance, velocity, and time equations.

This science fair project idea identifies and understands adaptations in birds.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

Start your toy engines -- this is going to be a fast and friction-filled race!

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This cool electricity project teaches kids how connecting batteries in series vs. parallel circuits can contribute to different levels of voltage and amperage.

Science fair project which compares the rates of photosynthesis for various light sources. Which type of light will be best for photosynthesis and why?

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

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

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

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

Score a bull's eye with this cool science fair project on horizontal projectile motion. Guide a marble to its target and predict its trajectory using math!

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

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

This science fair project idea determines what household items are good conductors of electricity.

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

This science fair project compares the allelopathic chemical produced by the Black Walnut tree to a commercial herbicide in stopping the growth of a shrub.