Semester 2 Exam Review Earth Science

What instrument measures atmospheric pressure?

The ozone layer does what for us on earth?

The marianna trench is best know for what property?

Idea that processes working today are the same as ones that worked in the past is called?

Clouds that bring thunder storms are most often called what

Compositional layers of the earth are...in order...

What is the other name for the water cycle?

What casues deep currents?

Tides that are greatest because the sun and moon work together are called what?

Why does freezing form fossils?

What gas was not in the early atmosphere but when added allowed complex life?

What are the flattest regions on earth called?

Why is there a convection current in the mantle?

What type of processes shape the earth?

The exact age of a fossil is its what?

The average salinity of the ocean in percentage is what?

The area of the ocean where the temperature drops off quickly is called what?

Winds that reach 120Km/hour are found where?

Where is air pressure the greatest?

What is thelowest point on a wave called?

Air masses have the temperature and humidity of what?

Removing salt from the ocean is called what?

What type of boundary is associated with trenches?

The sun rises and sets where?

What covers about 71% of the earth's surface?

<p>What force causes tides?</p>

The apparent shift of wind and water currents due to earth's rotation is called what?

What is used to construct the geologic time scale?

The layer of the atmosphere that contains the ozone is what?

Perimineralization and cast and molds are examples of what?