FOSS Earth History Investigations 3 & 4

Sediments deposited by water usually form in flat, horizontal layers.

• True

• False

What processes turn sediments into hard rock?

• compaction and cementation

• absorption

• deposition

Rock layers lower in the ground are younger in age than the layers above them.

• True

• False

What substance helps preserve organisms into true-form fossils.

• amber

• sand

• silt

• clay

What substance helps preserve organisms into true-form fossils.

• silt

• calcite

• clay

• tar

What substance helps preserve organisms into true-form fossils.

• calcium carbonate

• ice

• sand

• clay

According to the process of uniformitariansm, if geologists observe a process shaping Earth today, they can assume

• the same process shaped Earth in the past

• a different process will shape Earth in the future

• a different process shaped Earth in the past

• all of the choices

What type of environment is shale formed in?

• ocean

• desert

• swamp

• snowy mountain

What type of environment is where limestone formed?

• swamp

• ocean

• desert

• tundra

What type of environment is where sandstone formed?

• glacier

• swamp

• ocean

• desert