Final review

What is the big bang theory?

what objects do planets orbit around in the solar system?

what is the shortest unit of geologic time?

What are 3 types of seismic waves?

What is Pangea?

What holds the earth in orbit?

What makes up the solar system?

Which planet has the most mass?

What is a galaxy?

What is the longest unit of geologic time?

Which age was known as the age of the fishes?

What are rigid slabs of rock that move underneath the earth called?

What covered the earth during the cenozoic age?

What is a break or crack in the surface of the earth where earthquakes occur called?

When did mountains begin to form?

What is a mass extinction?

What is the path the earth follows around the sun?

What does a light year measure?

What are mountains underneath the ocean called?

What roamed the earth during the Mesozoic era?