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

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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

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.

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

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Test whether spot magnets can help improve the symptoms of an injury.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

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

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

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

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

Do your laundry and your science project simultaneously! This science fair project investigates whether the color of a garment affects the time needed to dry.

Science fair project that examines how cell membranes allow the inward and outward flow of materials as demonstrated by eggs.

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

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

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

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

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Here's a simple craft activity that can help your youngster better visualize the life cycle of a frog as a circle.

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

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

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

This project investigates several commercially decaffeinated tea types (black, green, oolong, white) for the presence of detectable traces of caffeine.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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