Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

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

This science fair project examines how seeds hitchhike on animals and clothing.

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.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

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

This science fair project idea compares biodiversity between drops of water.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This science fair project idea produces sounds by creating vibrations using different objects.

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

This science experiment tests if dog saliva can really help heal wounds.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

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

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.