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

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

The goal of this project is to create an exciting topographical map out of dough.

This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.

Have your child try this classic experiment that demonstrates circular motion using a bucket and rope. Be careful, you might get soaked!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

Explore the negative and positive consequences of stereotypes.

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

The aim of this science fair project is to examine the differences between brands of bottled water and analyze consumer preferences through a taste test.

Did you know magnifying glasses are magic? This hands-on activity has kids using magnifying glasses to engage with the world around them and look close to examine what they find.

Science fair project that determines whether brain size is correlated with intelligence.

More height, more steep, more speed! This science project investigates whether there is a correlation between the height of the roller coaster and the slope.

This science fair project idea determines if material and tensile strength of different types of skateboard wheels affects the velocity of the skateboarder.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

Investigate which substances are most effective at removing salt from water.

Study how liquids separate into layers by creating a liquid gradient, different density liquids separate into layers in a graduated cylinder.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

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

Science fair project that determines whether windmills can be designed so that birds will not feed on them. Will they discriminate between different patterns?

Determine if picking up fallen food in 5 seconds or less prevents the transfer of bacteria from the ground.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Measure the speed of the earth's rotation using protractors and meter sticks. This science fair project measures the angle of the sun in relation to earth.

Give your local birds a treat — and your young birdwatcher some fun — with this simple DIY bird feeder.

Make a backbone model to explore human anatomy and life science.

This science fair project idea explores whether certain physical and mental traits run in the family.

Demonstrate how to tell the age of an egg without having to crack it open.

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

This science fair project idea explores the different properties & interactions of sugar molecules.

Explore convex and concave objects and how they reflect light.