This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Science fair project that determines whether mass and weight are the same or different.

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.

In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.

Determine the maximum distance traveled by projectiles launched at an angle. Use some cool math to figure out at which angle your projectile will go farthest.

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

This project will examine the relationship between wind velocity and direction and the distance a baseball travels.

Measure the densities of various fruits and vegetables to determine if there is a relationship between density and nutritional value.

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

A science scavenger hunt can be a fun way to learn about science. Test your child's knowledge of scientific terms with this science scavenger hunt.

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Science fair project that determines how we can change potential energy into kinetic energy.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

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

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

Looking for a way to help your teen explore the fun side of physics? How about a round of Saturday morning cartoons?

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Take a trip to the pet store and then make a scrapbook to help your kindergartener learn the difference between living and non living things!