Unit 3 Formation of the Earth Test

Front

What is the compositional layer of the Earth found between the core and the crust?

Back

Mantle

Front

Which of the following is NOT true of the inner planets?

Back

They are called gas giants.

Front

What theory states that the universe began as a small point that expanded rapidly about 13.7 billion years ago?

Back

Big Bang Theory

Front

When did the magnetic field of the Earth form?

Back

After the core formed into a liquid outer layer and a solid inner layer.

Front

Which physical layer of the Earth is made of Iron & Nickel and is solid?

Back

Inner core

Front

What are the two main types of planets in our solar system?

Back

Inner planets (terrestrial) and outer planets (gas giants).

Front

What is the primary component of the Earth's outer core?

Back

Liquid iron and nickel.

Front

What is the significance of the Earth's mantle?

Back

It is the layer where convection currents occur, driving plate tectonics.

Front

What is the difference between the inner core and outer core?

Back

The inner core is solid, while the outer core is liquid.

Front

What evidence supports the Big Bang Theory?

Back

Cosmic microwave background radiation and the redshift of galaxies.