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

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

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

Which battery lasts the longest? In this science fair project, kids will test popular brand name batteries like Duracell and Energizer against generic brands.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

This experiment strives to determine if tracking of conservation habits will lead to reductions in a family's electricity and water bills.

This experiment will investigate whether reward or punishment is more apt to motivate people.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

Determines the extent that high school GPA predicts future income. Survey volunteers, divide GPA into 5 categories, compare income levels with GPA

Create groups of volunteers based on frequency of playing video games. Compare driving records. Analyze data, interpret findings.

Research active ingredients in anti-aging creams. Test skin creams on volunteers, document the effectiveness of the creams with before an after photographs.

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

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

Determine how different measurements of the same object might yield different values. Provide as many reasons that you can think of.

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.