Flashcards: Chapter 24 Review with labeling

Front

In the convection current of the asthenosphere, the hotter, less dense rock

Back

rises to the top

Front

Scientists who study the forces that make and shape the planet Earth are called

Back

geologists

Front

Earth’s lithosphere is broken into separate sections called

Back

tectonic plates

Front

Who first proposed the theory of continental drift?

Back

Alfred Wegener

Front

The supercontinent that began to break apart about 300 million years ago is called

Back

Pangaea

Front

What part of the Earth is the hottest?

Back

outer core

Front

Tectonic plates float on the _________?

Back

asthenosphere

Front

Convection currents are strong enough to move

Back

tectonic plates

Front

What statement below is an observation that supports the theory of Pangea? 1. The continents look like puzzle pieces that fit together. 2. Mountain ranges line up in South AMERICA AND AFRICA. 3. Mesosaurus and glossopteris fossils were found in both Africa and South America.

Back

All of the above

Front

The Earth is...

Back

bigger around the equator than the poles