Sedimentary Rock POST-TEST

Small pebbles, pieces of other rock, and sand are called?

• weathering
• sediment

All rocks are made of minerals.

• TRUE

• FALSE

99% of all fossils are found in sedimentary rocks

• True

• False

Name this rock.

• marble
• organic limestone
• sandstone
• granite

Most fossils are found in sedimentary rocks because they could not survive in metamorphic or igneous rocks...

• True

• False

Some sedimentary rocks form chemically as minerals from existing rocks dissolve in water, the water evaporates out, and crystals are left behind. An example would be:

• Halite (rock salt)

• Sandstone

• Slate

• Obsidian

What are the 3 rock types?

• Sedimentary, Igneous, Metamorphic

• Igneous, Sedimentary, Cementation

• Sandstone, Gneiss, Limestone

• Sedimentation, Igneous, Metamorphic

Some sedimentary rocks have organic (come from something living) materials. An example would be:

• Sandstone

• Coal

• Slate

• Obsidian

When the weight of new sediment layers are deposited on top of older layers

• erosion
• compaction
• pressure
• weathering

• Dolomite
• Sandstone
• Shale
• Coquina