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In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

In this science fair project, students make their own rain gauge to measure rainfall.

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

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Check out this cool science fair project idea to explore the relationship between pulse rate and blood pressure in healthy people.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Check out this fun high school science fair project idea to investigate how the cell membrane regulates what moves into and out of cells.

This experiment uses a voice recorder to monitor the progression of a message in the telephone game as it deviates from the original.

Plant sunflower seeds , measure height, calculate average height, compare size and weight of heads. Interpret findings in detailed report.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Determine how effective animal camouflage is by simulating it in an indoor and outdoor setting.

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

How does mold grow? Kids find out by testing different conditions to measure mold growth rate and learn about what factors cause mold to grow more quickly.

Learn the chemistry and physics of the brain, how our nervous system work. Demonstrate that the brain is an electrical and chemical machine.

The objective of this project is to evaluate whether a top will spin at different rates during different phases of the moon.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

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!

Observe trends in the properties of writing materials over past 5000 years and extrapolate to future time. Prepare a table that compares writing material.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

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

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 teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.