Tectonic Plates

What are the three main types of tectonic plate boundaries?

• Divergent boundaries, convergent boundaries, and transform boundaries

• Volcanic boundaries, seismic boundaries, and fault boundaries

• Mountain boundaries, valley boundaries, and ridge boundaries

• Oceanic boundaries, continental boundaries, and subduction boundaries

Answer explanation

The three main types of tectonic plate boundaries are divergent boundaries, convergent boundaries, and transform boundaries.

How does tectonic plate movement contribute to the formation of mountains?

• Tectonic plate movement causes the Earth's crust to fold, uplift, and collide, leading to the formation of mountains.

• Tectonic plate movement causes the Earth's crust to shrink, leading to the formation of mountains.

• Tectonic plate movement creates deep ocean trenches, not mountains.

• Tectonic plate movement has no impact on the formation of mountains.

Answer explanation

Tectonic plate movement causes the Earth's crust to fold, uplift, and collide, leading to the formation of mountains.

Name one major tectonic plate and describe its location.

• The European Plate - It is located beneath Europe and is the most active tectonic plate.

• The Pacific Plate - It is located beneath the Pacific Ocean and is the largest tectonic plate.

• The African Plate - It is located in the middle of the Atlantic Ocean and is the smallest tectonic plate.

• The Indian Plate - It is located in the Arctic Ocean and is the second largest tectonic plate.

Answer explanation

The Pacific Plate is located beneath the Pacific Ocean and is the largest tectonic plate.

Explain the relationship between plate tectonics and earthquakes.

• Plate tectonics have no impact on the occurrence of earthquakes

• Earthquakes are caused by the rotation of the Earth's core

• Plate tectonics cause earthquakes by the movement of the Earth's lithosphere.

• Earthquakes are caused by the gravitational pull of the moon

Answer explanation

Plate tectonics cause earthquakes by the movement of the Earth's lithosphere.

What are the effects of divergent plate boundaries?

• Increase in volcanic activity and earthquakes

• Formation of mountain ranges and deep ocean trenches

• Decrease in tectonic movement and stability

• Formation of new crust and creation of rift valleys

Answer explanation

Divergent plate boundaries lead to the formation of new crust and creation of rift valleys, making this the correct choice.

Describe the process of subduction at convergent plate boundaries.

• One tectonic plate is forced beneath another plate due to the difference in density.

• The plates move away from each other

• The plates slide past each other horizontally

• The plates collide and form a new plate boundary

Answer explanation

Subduction at convergent plate boundaries occurs when one tectonic plate is forced beneath another plate due to the difference in density.

How do tectonic plate movements contribute to the formation of volcanic activity?

• Tectonic plate movements cause earthquakes, not volcanic activity.

• Tectonic plate movements can cause subduction, leading to the formation of magma and volcanic activity.

• Tectonic plate movements have no impact on volcanic activity.

• Tectonic plate movements result in the cooling of magma, preventing volcanic activity.

Answer explanation

Tectonic plate movements can cause subduction, leading to the formation of magma and volcanic activity.

What are the major tectonic plates that make up the Ring of Fire?

• Atlantic Plate, Indian Plate, Antarctic Plate, Arctic Plate, African Plate

• Indian Plate, African Plate, Australian Plate, Eurasian Plate, Antarctic Plate

• Pacific Plate, Juan de Fuca Plate, Cocos Plate, Nazca Plate, Philippine Sea Plate

• Eurasian Plate, North American Plate, South American Plate, Australian Plate, Antarctic Plate

Answer explanation

The major tectonic plates that make up the Ring of Fire are the Pacific Plate, Juan de Fuca Plate, Cocos Plate, Nazca Plate, and Philippine Sea Plate.

Explain the concept of seafloor spreading and its relation to tectonic plates.

• Seafloor spreading is the process by which new oceanic crust is formed through volcanic activity and then gradually moves away from the mid-ocean ridges. This process is related to the movement of tectonic plates.

• Seafloor spreading has no relation to tectonic plates

• Seafloor spreading is a result of the Earth's core cooling down

• Seafloor spreading is caused by the movement of clouds in the atmosphere

Answer explanation

Seafloor spreading is the process by which new oceanic crust is formed through volcanic activity and then gradually moves away from the mid-ocean ridges. This process is related to the movement of tectonic plates.

What are the primary effects of transform plate boundaries?

• Glacial movement and ice melting

• Hurricanes and tornadoes

• Volcanic eruptions and tsunamis

• Earthquakes and faulting

Answer explanation

Transform plate boundaries primarily result in earthquakes and faulting due to the sliding and grinding of tectonic plates against each other.