Properties of Earth

10 Types of Forces

10 Types of Forces

A force can make things move, stop, or change direction. For example, types of forces include gravity, friction, and magnetism.

Where Is the Equator?

Where Is the Equator?

The equator is an imaginary line that circles completely around the Earth. It divides the planet into the Northern and Southern Hemispheres.

10 Types of Natural Disasters

10 Types of Natural Disasters

A natural disaster is a sudden and extreme event caused by nature that can cause damage and harm people. Learn the types of natural disasters.

The 17 Spheres of Earth

The 17 Spheres of Earth

How many spheres of Earth exist on Earth? If you count them all, you would get about 17 of them. This is the definitive guide to all 17 spheres of Earth.

Where is the North and South Pole?

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.

A Guide to Earth’s Lithosphere

A Guide to Earth’s Lithosphere

Earth scientists compare the lithosphere to a thin, solid and brittle eggshell encasing our inner planet or a thick piece of wood that dries and breaks.

How To Define the Geosphere

How To Define the Geosphere

It’s difficult to pinpoint an exact definition for the “geosphere” because it’s used in several different ways. But here are 2 ways to define the geosphere.

How Gravity Sculpted the Earth

How Gravity Sculpted the Earth

What brings order on Earth is gravity. For all matter, it’s always at work. This is how gravity works for ocean tides, planet formation and escape velocity.

Earth Age: How Old Is the Earth?

Earth Age: How Old Is the Earth?

By dating meteorites, we find the oldest rocks are 4.5 billion or so years old. Thus, we conclude the same staggering 4,543,000,000 years for Earth’s age.