STMS 2ndQ Practice Test

Front

What type of fossil is formed when soft tissues are preserved in good condition?

Back

Preserved fossil

Front

What inference can be made if Fossils A and B are found in different layers?

Back

Fossils A and B lived during different periods of geologic time.

Front

Which era is the longest on the geologic time scale?

Back

Precambrian

Front

What is formed when magma bubbles up vertically, breaks into rock layers and cools?

Back

Igneous intrusion

Front

According to the law of superposition, which rock layer contains the youngest fossils?

Back

Layer W

Front

What type of fossil is a footprint or burrow?

Back

Trace fossil

Front

What is the process called when sedimentary rock layers are formed?

Back

Sedimentation

Front

What type of fossil forms when minerals fill in the mold of an organism?

Back

Cast fossil

Front

What is the term for the time scale used to describe the timing and relationships of events in Earth's history?

Back

Geologic time scale

Front

What is the difference between igneous intrusion and igneous extrusion?

Back

Igneous intrusion occurs when magma cools and solidifies below the Earth's surface, while igneous extrusion occurs when magma erupts onto the surface as lava.