FCHS Earth Systems Final Review

Which rock layer would most likely contain fossils from the Paleozoic era?

• A

• B

• C

• D

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Absolute age dating uses which of the following?

• Visual observation of crystals

• Fossil sequence comparisons

• Isotope half-lives for numerical ages

• Surface erosion measurements

If a volcanic rock is 4.5 billion years old, how much Uranium-238 remains?

The half-life of Uranium-238 is 4.5 billion years old.

• 50%

• 25%

• 75%

• 100%

Tags

NGSS.HS-PS1-8

Most fossils form in which type of rock?

• Basalt

• Marble

• Sandstone

• Obsidian

Tags

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Marine fossils found in mountain regions suggest what?

• Formation by volcanic eruption

• The area was once underwater

• Fossilization in deep forests

• Cross-cutting fault lines

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

How did photosynthesis change Earth's atmosphere?

• Decreased oxygen levels

• Introduced oxygen

• Increased carbon dioxide

• Reduced nitrogen

Tags

NGSS.HS-LS2-5

Relative Age Dating sorts rocks by:

• Radioactivity

• Sequence of events

• Chemical composition

• Exact numerical age

Tags

NGSS.MS-ESS1-4

Name a metamorphic rock commonly found in ancient geological formations:

• Marble

• Slate

• Schist

• Gneiss

Which process continuously recycles Earth's crust?

• Meteor impacts

• The Water Cycle

• Plate Tectonics

• Ocean currents

Tags

NGSS.MS-ESS2-1

The principle explaining why an igneous intrusion is younger than surrounding rock is:

• Faunal Succession

• Superposition

• Cross-Cutting Relationships

• Original Horizontality