Learn Earth Science

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From the troposphere to the exosphere, study the atmosphere. Topics include the ozone layer, magnetosphere, and weather.

Geology Science


Geology is the study and science of Earth’s land forms. This includes how they were created, have changed over time, and how they will evolve.

Life Science


Biology works with time, disease, ecosystems, and why we are here today. It also works on different scales like individual atoms to the entire biosphere.

Earth Science Career


If you are interested in a career in environmental science, there are lots of opportunities available. Find out how diverse the field is.

Outer Space


Space is beyond Earth’s atmosphere. It applies the concepts from physics, biology, and geology to explain our planet’s origin and evolution.

Ocean Science

Water Science

Water is all around us. From oceans to freshwater lakes, this field studies everything from deep ocean water life to the flow of currents.



What Is the Stratosphere?

Main highlights of the stratosphere are: (1) The ozone layer absorbs harmful UV light (2) This causes temperature to rise (3) It contains 10% of…



The Biosphere: Life on Earth

The biosphere is the layer of Earth where life exists. You, me, plants, insects bacteria and all living things on land, air and oceans are…


Ecologist Career

Ecology Careers: What Do Ecologist Do?

Working in ecology is seeing conservation in action. These 7 questions and answers evaluate ecologists career for salary, job duties and potential employers.
Meteorologist Career

What Do Meteorologists Do?

Meteorologists partake in weather prediction. They understand atmospheric chemistry and physics and how they relate to weather and climate patterns.


isostatic rebound

What is Isostatic Rebound?

During the last ice age, ice pushed down on continents with immense pressure. After the ice melted, land began slowly lifting which is isostatic rebound.
Grand Canyon Age

How Was the Grand Canyon Formed?

Like a stack of pancakes, younger rock layers pile on top of older layers. We use the law of superposition to reveal Earth’s age and…


What Color Is the Moon

What Color Is the Moon?

The color of the moon is mostly grey. And the lunar maria are dark grey. The 4 most dominant rocks are: mare basalts, breccia, anorthosite…
Geographic Poles

Where is the North and South Pole?

If you stick a pencil through Earth at the point of rotation, these 2 points are the north/south poles. Geographically, it’s where longitude lines converge.
Hubble Galaxy Classification

What Are the 3 Types of Galaxies?

Hubble galaxy classification assigns a class to galaxies based on their visual appearance. These classes of galaxies are ellipticals, lenticulars and spirals
Earth tilt

Earth Tilt: 23.5 Degrees Axis

Imagine sticking a pencil into the Earth’s poles and twisting your wrist 23.5°. This is the Earth tilt essential in seasonal patterns, climate and life…


global water distribution

How Much Water Is on Earth?

Water is in the ground, on the surface, in the air and in our bodies. But how much global water distribution is in glaciers, groundwater,…
Sea Level Rise

How Much Will Sea Level Rise?

As temperatures surge, sea levels rise with it. This is because melting ice sheets add to total water volume. By 2100, water levels could rise…