7G Science HW#17 Chapter 6.3 and 6.4

A wide, gently sloping mountain made of layers of lava and formed by quiet eruptions is called ______.

• Shield volcano

• Cinder cone

• Composite volcano

• Caldera

A steep, cone-shaped hill or mountain made of volcanic ash, and bombs piled up around a volcano’s opening is called ______.

• Shield volcano

• Cinder cone

• Composite volcano

• Caldera

A tall, cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials is called ______.

• Shield volcano

• Cinder cone

• Composite volcano

• Caldera

The large hole at the top of a volcano formed when the roof of a volcano’s magma chamber collapses is called ______.

• Shield volcano

• Cinder cone

• Composite volcano

• Caldera

A deposit of hardened magma in a volcano’s pipe is called _______.

• Volcanic neck

• Dike

• Sill

• Batholith

A slab of volcanic rock formed when magma forces itself across rock layers is called _______.

• Volcanic neck

• Dike

• Sill

• Batholith

A slab of volcanic rock formed when magma squeezes between layers of rock is called _______.

• Volcanic neck

• Dike

• Sill

• Batholith

A mass rock formed when a large body of magma cooled inside the crust is called _______.

• Volcanic neck

• Dike

• Sill

• Batholith

TRUE or FALSE:

Venus and Mars both have extinct volcanoes similar to volcanoes on Earth.

• TRUE

• FALSE

TRUE or FALSE:

Io and Triton have volcanic features very different from those on Earth, Mars and Venus.

• TRUE

• FALSE