Earth's Changing Surface, Chapter 1 Unit 5

During which time period did European explorers set sail on voyages of discovery?

• 1700s and 1800s

• 1000s and 1100s

• 1900s and 2000s

• 1400s, 1500s, and 1600s

What did European explorers find during their voyages of discovery?

• New oceans

• New planets

• New continents and islands

• New civilizations

What did many scientists during the 1700s and 1800s observe about Earth's surface features?

• They found evidence that seemed to show that sea levels had been higher and lower at different times in the past

• They found layers of rock on mountain peaks that contained fossils

• They observed how new rocks formed as they observed volcanic lava cool and harden

• They noticed how great masses of rock appeared to have been lifted up to form cliffs and mountains over time

What is geology the study of?

• The study of the makeup of the stars

• The study of the makeup of the sun

• The study of the makeup of the earth and the forces and processes that shape and change it

• The study of the makeup of the moon

Who was Shen Kua and what did he study?

• An American scientist who studied rocks and fossils

• A Russian scientist who studied rocks and fossils

• A Chinese scientist and mathematician who studied rocks and fossils

• A European scientist who studied rocks and fossils

What did geologists find that indicated the continents had once been joined?

• Fossils of an ancient reptile, Lystrosaurus, in both southern Africa and India

• Fossils of an ancient fern called Glossopteris in similar rock layers in Africa, India, Australia, and South America

• All of the above

• Fossils of another ancient reptile, Cynognathus, turned up directly across the Atlantic Ocean from each other

What did Alfred Wegener propose in his book 'The Origins of Continents and Oceans'?

• The theory of continental drift

• The theory of ocean currents

• The theory of lunar phases

• The theory of planetary motion

What did Wegener propose as the process that caused the continents to move apart?

• The process of volcanic eruption

• The process of asteroid impact

• The process of continental drift

• The process of earthquake

What did scientists discover about the ocean bottom in the 1870s?

• It was made of granite

• It was made of sandstone

• It was made of limestone

• It was made of basalt

What did Wegener compare the continents to when proposing his theory of continental drift?

• Enormous pieces of metal

• Enormous pieces of wood

• Enormous pieces of ice

• Enormous pieces of plastic