This science fair project idea provides evidence that air is everywhere and takes up space.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

Science fair project that determines whether mass and weight are the same or different.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This project investigates the affect of storage temperature on microwave popcorn.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

Discover whether cold or hot water from the faucet will boil faster on the stove.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

Discover how and which salt melts ice the quickest.

This surprisingly good glue recipe comes from common kitchen items.