Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

This experiment explores the most common colors that appear among a sample of crossbred guppies.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

This project explores what happens to a rubber band when it is heated and cooled.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Examine the connection between temperature and chemiluminescence.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

In this science fair experiment, high school students fit the growth pattern of bacteria to a mathematical model and predict future colony expansion.

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

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

This experiment will explore the best way to create a perfect soft-boiled egg.

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

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!

Test whether spot magnets can help improve the symptoms of an injury.

Create an organic plastic product using vinegar and cream. Track decomposition over course of several weeks. Compare decomposition with traditional plastics.

The purpose of this science fair project is to build a basic radio.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.