Determine which factors promote the greatest memory interference. Administer test, time how long it takes subjects to complete different tasks.

This science fair project idea explores whether color affects a person's emotional state.

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

In this activity, students will create a stop motion animation by creating a clay figure and taking a series of digital photographs.

Science fair project in which you will create your electricity by making a homemade battery using salt water, a nail, and a copper wire.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

Kids learn about the color rendering index by finding the best lightning for makeup in this fun and original physics science fair project idea.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

This science fair project idea determines whether volunteers remember more information presented orally or visually or kinesthetically.

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Here's one way to recycle: turn a tuna can into a mini barbecue and teach your child the power of resourcefulness!

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This project examines whether and what associations exist between numbers and letters and colors.

Learn about the right-hand rule for magnetic force! Use a cathode ray tube in this physics experiment to see a magnetic field's effect on an electron beam.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

When critters protect themselves by taking on the patterns of nature, it's called "camouflage." Play this camouflage matching game with your child!

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project teaches students the differences between fruits and vegetables.

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

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

The goal of this project is to create an exciting topographical map out of dough.

In this cool psychology experiment, study how companies air commercials to strategically advertise to viewers who will buy their products.