What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Slip some science into storm watching with a homemade rain gauge!

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Help your kid feel like a superhero with this safe and fun science experiment that creates an electrical charge that's like a mini lightning bolt!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

Using a toy race car kids create a visual model of the Doppler Effect.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, students make their own rain gauge to measure rainfall.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Is it a square or a circle? See if you can trick your friends with this zany science project!

This balloon-powered car project is a great way for your kid to learn about energy and how it can be used efficiently.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Cleaning can be a chore, but not with this sudsy experiment!