The Birth of Earth!

Front

What eon did the Earth and Moon form in?

Back

Hadean

Front

What elements make up the Earth's core?

Back

Nickel and iron

Front

What is the process of smaller particles collecting into larger objects called?

Back

Accretion

Front

Why does the Earth have a magnetic field?

Back

There is movement of iron in the core.

Front

How old are the oldest known fossils?

Back

3.5 billion years old.

Front

What is the age of the Earth?

Back

Approximately 4.6 billion years.

Front

What is the primary component of the Earth's crust?

Back

Silicate rocks.

Front

What is the term for the outer layer of the Earth?

Back

Lithosphere.

Front

What is the significance of the Hadean eon?

Back

It marks the formation of the Earth and Moon.

Front

What is the main reason for the Earth's layered structure?

Back

Differentiation of materials based on density.