Earth Science Quiz

What is the Earth's surface covered with?

• A variety of different features

• Only oceans

• Only mountains

• Only rivers

What is molten rock beneath the Earth's surface called?

• Lava

• Magma

• Obsidian

• Pumice

What is the cool, solid outer layer of the Earth called?

• Mantle

• Core

• Crust

• Magma

What are tectonic plates?

• Layers of magma

• Sections of the Earth's crust

• Sections of the Earth's mantle

• Types of volcanoes

What happens when two tectonic plates pull apart?

• They form mountains

• They create hotspots

• Magma rises to the surface

• They form cinder cones

What is magma called when it reaches the Earth's surface?

• Obsidian

• Pumice

• Lava

• Crust

What are 'hotspots' in relation to volcanoes?

• Areas with cinder cones

• Areas where tectonic plates collide

• Areas with shield volcanoes

• Areas with unusually hot mantle or thin crust

What are cinder cones made of?

• Runny lava

• Alternating layers of rock

• Loose rocks, ash, and debris

• Obsidian

What is the shape of shield volcanoes?

• Steep-sided cones

• Tall and narrow

• Low profiles with shallow-sloping sides

• Alternating layers of rock

Which type of volcano is the largest on Earth?

• Cinder cones

• Composite volcanoes

• Fissure vents

• Shield volcanoes