Sedimentary Rock Webquest

What rocks is this?

• Flint

• Limestone

• Conglomerate

• Sandstone

What type of sedimentary rock is the rock shown in question #1?

• Organic

• Chemical

• Clastic

What word means "to form rock"?

• lithify

• compaction

• cement

• conglomerate

What is chalk made from?

• The remains of shelled sea creatures

• The remains of dinosaurs

• Compacted plants

• The remains of microscopic sea creatures

Of the rocks shown in the sedimentary rock section, which one has the largest sediments?

• sandstone

• congolomerate

• clay

• chalk

What causes shale to be formed?

• Pressure placed on conglomerate

• Pressure placed on limestone

• Pressure placed on clay

• Pressure placed on sandstone

What percentage of the earth's surface is covered in sedimentary rock?

• 50%

• 25%

• 75%

• 37%

The most common material in sedimentary rocks are...

• fossils

• limestone

• sand

• silica

What is a parent rock?

• The rock that weathered and eroded, to provide the sediments for new sedimentary rock.

• The rock around which new sedimentary rock forms.

• The rock that presses down on sediments to form it into rock.

• Parents that don't realize how dumb they look trying to rock out to 20 year old music.

What cements the pressed sediments together?

• Minerals left behind by water trickling through the sediments.

• Minerals that evaporate and leave water behind.

• Mortar, similar to what is used for bricks, forms between the sediment particles.

• Microscopic sea life settles out of the ocean water and acts like glue.