In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project teaches students about wilting and browning of salad greens.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

In this science fair project, students create their own miniature salt flats at home.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This experiment tests which gender is better at catching how a magician performs his tricks.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores the different properties of matter.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.