Chapter 10 Rocks

Question 1

Felsic lava without dissolved gas, known as volcanic glass

Answer 1

Obsidian

Question 2

Scientist who studies rocks

Answer 2

Petrologist

Question 3

Basaltic lava that produces sharp edged sponge like rocks

Answer 3

Scoria

Question 4

This type of rock comes from volcanoes and contains silicate materials

Answer 4

Igneous

Question 5

Having large mineral grains

Answer 5

Course grained

Question 6

This rock is made out of sediments

Answer 6

Sedimentary

Question 7

This is a solid material in the earth’s crust and is a natural combination of minerals

Answer 7

Rocks

Question 8

This is a type of sedimentary rock that has pebbles, sand, and clay

Answer 8

Clastic

Question 9

This is a felsic lava with dissolved gas, foams, and will float

Answer 9

Pumice

Question 10

This rock was once another type of rock and includes regional, contact, dynamic, foliated and nonfoliated

Answer 10

Metamorphic

Question 11

This is a type of sedimentary rock that is formed by chemical precipitation

Answer 11

Non-clastic