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.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

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

The project researches how lubricants affect the mechanical advantage of a pulley.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

Make sourdough bread...and learn some colonial history and modern science in the process!

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Introduce your child to science with something they see everyday--their shadow!

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

This science project has students study the idea of human beauty.

Want to get your bookworm interested in science? Check out this cool activity that teaches kids how to write science fiction!

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

Bring back the groovy memories by making shrinky dinks using household materials, while learning about the science of plastics. Here's how to get started:

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

This science fair project tested various nose cones to determine which would be the most ideal shape for propelling a water rocket.