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.

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

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!

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!

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

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 science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Observe with your third grader what happens when food starts to decompose, and boost science skills simultaneously with this experiment!

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

Wondering how we know that air is there? Here's a quick and easy experiment that proves that air may be thin, but it's not too wimpy to block your shot!

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.