Plate Tectonics & Volcanoes Literacy Quiz

What is magma?

• Solid rock found on the surface

• Melted rock beneath the Earth's surface

• A type of sedimentary rock

• A type of igneous rock

What is lava?

• Melted rock beneath the Earth's surface

• Solid rock found in the ocean

• Melted rock that comes out onto the surface

• A type of volcanic ash

What is the process called when magma is forced up through cracks in the crust?

• Erosion

• Sedimentation

• Volcanic eruption

• Weathering

What is the main cause of a volcanic eruption?

• Wind pressure

• Ocean currents

• Pressure from surrounding rock

• Rainfall

What is the role of the mantle in plate tectonics?

• It creates ocean currents

• It melts the sinking plate into magma

• It forms clouds

• It causes earthquakes

Where do most volcanoes form?

• In the middle of continents

• At plate boundaries

• In deserts

• In polar regions

Where do volcanoes often erupt in Iceland?

• On the coast

• On the mid-ocean ridge

• In the desert

• In the forest

What forms when magma rises through cracks at the boundaries?

• Earthquakes

• Volcanoes

• Mountains

• Rivers

What is the significance of the mid-ocean ridge in Iceland?

• It is a tourist attraction

• It is where volcanoes erupt often

• It is a fishing area

• It is a desert

What happens to the lava when a volcano erupts on land?

• It turns into water

• It forms a mountain

• It evaporates

• It freezes