Unit 3 The Ring of Fire

The Ring of Fire circles the Atlantic Ocean.

• True

• False

Alfred Wegener believed that continents were made of heavier rock than the ocean floor.

• True

• False

Scientists discovered the theory of plate tectonics were wrong.

• True

• False

The surface of the Earth consists of plates and sections of rocks.

• True

• False

Earthquakes can be caused by the process of subduction.

• True

• False

1. What is the main focus of this reading?

• 1. The most active volcanoes found in the Ring of Fire

• 1. The location of the Ring of Fire

• 1. How the plates on the Earth’s surface move in different ways

• 1. How plate tectonics, volcanoes, and earthquakes are relate

1. According to the reading, which is true about the Ring of Fire?

• 1. All of the volcanoes along the ring are active.

• 1. Most of the volcanoes on Earth are part of the ring.

• 1. The ring gets bigger each year.

• 1. The ring was discovered in the 20th century.

1. What does "subduction" mean in this reading?

• Rocks moving under volcanoes

• Erupting liquid rock

• The theory of moving plates

• Movement of a plate under another

What is NOT a result of shifting tectonic plates?

• Earthquakes

• Extreme temperatures inside the Earth

• Volcanoes

• Subduction

Which question is NOT answered in the reading?

• 1. How fast do tectonic plates move?

• 1. How thick are the plates in tectonic theory?

• 1. What is the most active volcano today?

• 1. Where is the Ring of Fire?