This project examines which style of central-air system filter traps the most particles from the air.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

In this science fair project, young children notice and track changes in trees throughout the year.

In this hands-on activity, kids learn what it takes to foster seedlings into full-grown plants, all in a regular old soda bottle!

Explore which teeth-whitening products work best - Whitestrips or Whitetrays.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

Engineers in training can get started with this simple wheel-and-axle construction activity.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

This two-ingredient dough, sometimes called "moon sand," is a quick and cheap way to let kids explore their senses, build fine motor skills, and play.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Learn about nature by making your own mini moss garden.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Make a spring collage with your child to get them outside and those creative juices flowing!

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This homemade parachute toy is incredibly easy to build. Plus, it gives kids an excuse to investigate and experiment...the backbone of kindergarten science.

Make these homemade shell fossils and introduce your child to the wonders of science!

Help your child make an attractive frozen holiday ornament to hang outside during winter months.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

What is the coldest temperature possible? In this cool experiment, you'll calculate absolute zero by extrapolating data on the temperature and volume of gas.