Earth’s Processes Quiz 2: Geological History and Fossils

The Law of __________ tells us younger rocks are on top.

• Uniform-itarianism
• Congruity
• Positronics
• Superposition

What type of rock do fossils form in?

• Igneous
• Sedimentary
• Metamorphic
• Classic

If a fault cuts through multiple layers of rock, which is most likely true?

• An earthquake happened after the layers formed.
• An earthquake happened before the layers formed.
• An earthquake happened at the same time the layers formed.
• The timing of an earthquake is unrelated to when the layers formed.

Which type of dating method can be used on rock layers by applying the Law of Superposition?

• relative dating
• absolute dating
• radioactive dating
• radiometric dating

The length of time required for half of the radioactive atoms in a sample to decay is its...

• era
• age
• half-life
• eon

Tags

NGSS.HS-PS1-8

A rock formed with 1000 atoms of a radioactive parent element, but only contains 250 radioactive parent atoms today. If the half-life of the parent element is one million years, how old is the rock?

• 250,000 years old
• 500,000 years old
• 1,000,000 years old
• 2,000,000 years old

Tags

NGSS.HS-PS1-8

Which layer is the oldest?

• D
• C
• B
• A

Tags

NGSS.MS-ESS1-4

Modern mammals was during this era:

• Cenozoic
• Mesozoic
• Paleozoic

Tags

NGSS.MS-LS4-2

The earliest part of Earth's history is called the:

• Cenozoic
• Cambrian
• Holocene
• Precambrian

Tags

NGSS.MS-ESS1-4

Why don't we know what many ancient plants looked like? 

• They had too many soft parts.
• They were all eaten by dinosaurs.
• There weren't ancient plants.
• They had too many hard parts.

Tags

NGSS.3-LS4-1