Ch 3 - Which Rock Am I?

Question 1

I am a shiny, black rock that resembles glass.

Answer 1

obsidian

Question 2

I am a strong, light-coloured igneous rock that contains at least three different kinds of mineral crystals; the most common igneous rock.

Answer 2

granite

Question 3

I am a rough, crumbly sedimentary rock which consists of particles of quartz sand that have been fused together into rock; sometimes used to make glass.

Answer 3

sandstone

Question 4

I am a sedimentary rock formed from mud or clay that consists of much smaller particles than sand.

Answer 4

shale

Question 5

I am a sedimentary rock made of rounded pebbles embedded in hardened sand or clay.

Answer 5

conglomerate

Question 6

I am rock salt, a sedimentary rock formed from chemical sediments.

Answer 6

halite

Question 7

I am a sedimentary rock made from cemented skeletons of microscopic sea animals.

Answer 7

chalk

Question 8

I am a foliated metamorphic rock made from shale.

Answer 8

slate

Question 9

I am a metamorphic rock formed from limestone; the most widely used unfoliated rock; I make beautiful statues and monuments.

Answer 9

marble