Plates Tectonics Lesson

A German scientist Alfred Wegener was the first to hypothesize that ...........

• Continents were once joined
• The sea floor is spreading
• Continents are moving
• The Earth's magnetic pole flips

Pangaea was an ancient supercontinent made up of...

• America, Greenland, and Europe.
• Antarctica, India, and America.
• all of Earth’s continents.
• South Africa, India, Australia, and South America.

Tags

NGSS.MS-ESS1-4

One of the fossils Wegener used to support his hypothesis of continental drift was

• Glossopteris
• Trilobite
• insects in tree amber
• ammonite molds

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Peer scientists reviewing Wegener’s hypothesis of continental drift rejected his notion because

• His evidence was too few to make a valid conclusion 
• He did not explain how continents move and what moves them
• His evidence was not clear in showing  how continents were joined
• He lied by including false evidence

What causes tectonic plates to move along the Earth's surface?

• wind
• ocean currents
• convection in the mantle
• expansion of the Earth

Tags

NGSS.MS-ESS2-3

What type of boundary occurs when two plates move away from each other?

• transform
• subduction
• convergent
• divergent

What forms at a divergent boundary between two oceanic plates?

• rift valley
• mountain
• mid-ocean ridge
• trench

What type of boundary occurs when two plates move toward each other?

• convergent
• divergent
• transform
• lateral

What forms at a convergent boundary between a continental plate and an oceanic plate?

• volcanoes
• rift valleys
• faults
• mid-ocean ridges

Tags

NGSS.MS-ESS2-3

A rift valley occurs at a ____________ boundary.

• divergent
• convergent
• transform
• horizontal