Earth's thick atmosphere plays a vital role in the ability of the planet to sustain life. Learn about the layers of the atmosphere and their properties, how the gases surrounding the earth help protect the planet, and a little about...

Is Earth's energy flow a little off balance? Explore our energy budget using a click-through interactive. Scholars discover the many factors that move solar energy around the planet and why the system is no longer in equilibrium.

Three of Earth's spheres are introduced to your earth scientists: lithosphere, hydrosphere, and atmosphere. Each are described with text, while a combination of photographs and computer images are displayed. One of the best ways to use...

In this earth's atmosphere quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.

Take it all the way back! Young scientists discover the changes that took place from the time Earth became solid to present day through an interesting interactive. The resource guides users through key events that have shaped our world...

Planetary atmospheres vary greatly from planet to planet. Explore these variations by experiencing the motion of the atmospheric molecules through an engaging simulation. Pupils discover that temperature and mass contribute to...

An interactive lesson places pupils as scientists who must learn why the ozone layer is being destroyed by analyzing the data from multiple satellites. The first analysis shows how UV is related to the ozone cycle. The second...

Earth's climate changed drastically throughout the history of the planet, so why do scientists blame humans for recent changes? Observe data covering the history of the planet that proves the natural climate change patterns. Then, learn...

In this Earth's layers learning exercise, students click on the links in the questions about Earth's layers to find the answers to the questions and then come back and answer the questions. Students answer 12 questions total.

Gravity does more than keep our feet on the ground — it holds a satellite in orbit, too. Help learners understand the effects of gravity on an orbiting object through a simulation activity. Individuals adjust a launch speed and watch as...

In this ozone worksheet students complete an interactive activity on the thinning of the ozone then answer a series of questions on the earths UV rays. 

Take your class up, up, and away with an engaging weather balloon simulation! Individuals get hands-on experience in creating and launching their own airborne labs to study how temperature and pressure affect substances at 100,000...

How hard do you need to throw a ball in the air so that it never returns? Scientists call this measure the escape velocity. Classes can explore this concept through an intriguing interactive lesson. Pupils adjust velocities and observe...

Earth didn't always have oxygen, so what caused the change that allows humans to live here? Learn about the change in O2 levels throughout geological history through an interactive graph. Each section offers greater detail on the changes...

Go with the flow! The eighth installment in a 13-part series has earth science students dive in to the world's system of ocean currents. The interactive illustrates the different types and depths of currents, how wind and gravity...

Fly around the Martian surface. Pupils view a presentation on the planet Mars featuring a flyover that shows different views of the surface where rovers have landed and explored on different missions. As individuals watch the images, the...

Will human existence define an epoch? Many scientists think we are in a new epoch, the anthropocene, defined by humans and our impact on the environment. An online interactive demonstrates the immense impact humans have had on every part...

Carbon dioxide is on the rise; does that also mean a rise in danger to humans and animals? Scholars learn what that means for the environment and more specifically the ocean. They examine data on the pH of different ocean areas and learn...

In this online interactive science worksheet, students answer 4 science questions with multiple choice answers regarding global warming. Students fill in the answer online to one question about temperature.

Take a ride on the carbon cycle by watching this animated featurette. Those who do will learn about the element carbon, how it cycles through the atmosphere and biosphere, and how it contributes to Earth's temperature. This video comes...

Explore the water cycle in an interactive diagram of the process. The diagram shows how water is a moving system and constantly changing forms. The resourc includes vocabulary words that pupils click on in order to discover more about...

Water can travel from the highest mountain tops to the largest oceans. Using an interactive, young scientists trace the movement using an interactive online resource. They follow the water cycle by reading pop-up explanations on a...

It is colorless and scentless, but it makes a large impact on the environment. Learners explore carbon dioxide emissions and what they mean for the environment using an interactive graph. They review changes over time and how they impact...

Get to know our little part of the vast universe. Learners read about the common and not-so-common facts about each of the planets in the solar system. The interactive lesson includes a large amount of information as well as a quiz to...