Plate Tectonics

What hypothesis states that the continents were once joined to form a single supercontinent?

• plate tectonics

• seafloor spreading

• continental drift

• paleomagnetism

One kind of evidence that supports Wegener’s hypothesis is that ____.

• fossils found on different continents that are now separated by water.

• rivers match on different continents.

• land bridges connected continents.

• all continents were warmer in the past.

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

When Alfred Wegener said there was evidence of ancient climates, what did he mean?

• no continents were in the southern hemisphere

• the southern hemisphere was in the North pole

• the north pole was in the south pole

• Africa was once covered in glaciers.

Which of the following was NOT used in support of the continental drift hypothesis?

• fossils evidence.

• magnetism

• ancient climate

• the continents fit like a puzzle

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Why was Wegener's continental drift hypothesis rejected?

• He was not well liked by other scientists.

• he could not explain why the continents moved

• his hypothesis was not rejected

• His evidence was incorrect.

According to the theory of plate tectonics, ____.

• the asthenosphere is divided into plates

• the lithosphere is divided into plates

• the asthenosphere moves over the lithosphere

• the asthenosphere is strong and rigid

What type of boundary is this?

• divergent

• convergent

• transform

Tags

NGSS.MS-ESS2-3

What geological feature is formed from this plate boundary?

• continental crust

• volcanoes

• new ocean crust

• earthquakes

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2

What type of boundary is this?

• divergent ocean to ocean

• convergent ocean to ocean

• convergent ocean to continent

• convergent continent to continent.

Tags

NGSS.MS-ESS2-3

What is this picture of?

• lithosphere

• mantle

• asthenosphere

• hydrosphere

Tags

NGSS.MS-ESS2-3

NGSS.MS-ESS2-2