SIS Semester Final Review

Front

What is a cold and dry air mass called?

Back

Continental polar (cP)

Front

How old is the universe?

Back

13.7 billion years old

Front

What gas makes up 78% of the atmosphere?

Back

Nitrogen (N2)

Front

How many planets are in the solar system?

Back

8

Front

What theory explains how our universe began?

Back

Big Bang Theory

Front

What is the primary component of Earth's atmosphere?

Back

Nitrogen (N2)

Front

What is the difference between maritime and continental air masses?

Back

Maritime air masses are moist, while continental air masses are dry.

Front

What are the two main types of air masses?

Back

Maritime and continental.

Front

What is the significance of the Big Bang Theory in astronomy?

Back

It explains the origin of the universe.

Front

What is the primary function of the ozone layer?

Back

To protect Earth from harmful ultraviolet (UV) radiation.