Plate Tectonics Worksheet

Which events are most common along tectonic plate boundaries?

• erosion and earthquakes

• hurricanes and tsunamis

• earthquakes and volcanoes

• tidal waves and volcanoes

What is name for the super-continent?

• Pangaea

• Atlantis

• Laurasia

• Gondwana

Identical rock types, identical fossils, and very similar mountain ranges are found on different continents that are separated by a wide ocean. Which of these best explains these observations?

• Organisms traveled between these continents on land bridges.

• The same forces erode mountains in different locations.

• These continents were joined together at one time in the past.

• Some rock types are very common and are found everywhere.

What type of boundary has plates that slide past each other?

• convergent

• transform

• divergent

• tension

What theory explains how the plates of the Earth are continually moving?

• The Continental Drift Theory

• The Theory of Evolution

• The Plate Tectonic Theory

• The Big Bang Theory

What landform forms at convergent ocean plate boundaries?

• ridges

• trenches

• valleys

• mountains

The map of continental drift most supports which two of the following statements? (Mya = Million years ago)

• Continents were once joined together and have since drifted apart.

• Similar fossils are found on continents that are now separated by oceans.

• Continents have always been in their current positions.

• Continental drift only occurred in the last 10 million years.

Refer to the diagram of continental drift. Which statement is best supported by the diagram?

• The seafloor is spreading.

• The ice caps are shrinking.

• The ring of fire is dormant.

• The Earth's surface is slowly and constantly changing.

• The Earth's surface is fifty percent land and fifty percent water.

Which of the following best describes why some identical animal fossils have been discovered on opposite sides of the Atlantic Ocean?

• Some animals could cross the ocean.

• Strong winds and storms blew them there.

What is molten rock under the ground?

• lava

• magma

• transform

• sand