Earth History Review

Front

What provides the BEST evidence that the distribution of Earth's oceans has changed over time?

Back

Marine fossils found on land masses.

Front

What would a scientist most likely study to develop a better understanding of the climate during a specific period in Earth's history?

Back

Ice Cores.

Front

Which era is known as the 'Age of Mammals'?

Back

Cenozoic.

Front

How can scientists best use ice cores to reconstruct Earth's climate history?

Back

By studying the atmospheric gases trapped in the ice.

Front

What type of rock is formed when sand and mud are pressed down and form rock layers?

Back

Sedimentary.

Front

What is the significance of marine fossils found on land?

Back

They indicate that land masses were once underwater, showing changes in ocean distribution.

Front

What do ice cores reveal about past climates?

Back

They contain trapped gases that provide information about atmospheric conditions.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks form from cooled magma or lava, while sedimentary rocks form from compressed sediments.

Front

What era preceded the Cenozoic era?

Back

Mesozoic.

Front

What is the role of sediment buildup on the continental slope?

Back

It provides evidence of geological processes and past ocean conditions.