This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

This project examines what types of objects burn and which burn faster and cleaner.

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

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.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Find out whether matte or shiny nail polish lasts longer.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

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

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.