U2 L1, 2, 3 TEST - DYNAMIC EARTH

First Name

Last Name

Period

• 1
• 2
• 3
• 4
• 5

1. The Tectonic plates are

• Constantly on the move
• Sitting still
• Slowly evaporating away
• Growing more and more dirt as time goes on

2. Consider the diagram of seafloor spreading at a mid-ocean ridge, which of the statements is true?

• Band A is older than band C
• Band B is younger than band D
• Band C is younger than Band A
• Band D is older than Band E

3. What is this a picture of?

• plate tectonics
• Pangaea
• glacier scarring
• United States of America

5. As tectonic plates move away from one another at a mid-ocean ridge, rising magma cools to form new oceanic crust. The place where tectonic plates move apart is called a

• convergent boundary
• divergent boundary
• transform boundary
• subduction zone

6. The __________ is the layer between the crust and the Earth's core

• Mantle
• Mesosphere
• Geosphere

7. The movement of tectonic plates is caused by

• convection currents in the upper mantle
• convection currents in the inner core
• radiation from the sun
• strong global winds

8. Which fossil alone provides evidence that South America, Africa, India, Australia and Antarctica were once joined into one supercontinent?

• Cynognathus
• Glossopteris
• Lystrosaurus
• Mesosaurus