Relative age of rocks

Scientific law that states in horizontal sedimentary rock, the oldest layers are at the bottom

• intrusion

• fault

• index fossil

• superposition

Tags

NGSS.MS-ESS1-4

An intrusion is always ___________ than the rock layers around it and beneath it

• younger

• older

Tags

NGSS.MS-ESS1-4

The diagram shows a cross section of rocks beside a highway. 
Which rock type is the oldest?

• rock type 1
• rock type 2
• rock type 3
• rock type 4

Tags

NGSS.MS-ESS1-4

In the diagram which rock lasyer is probably the oldest?

• layer 1
• layer 2
• layer 5
• layer 6

Tags

NGSS.MS-ESS1-4

Which rock layer most likely contains fossils of the most recently evolved organisms

• 1
• 2
• 3
• 4

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Based on the Law of Superposition, what can be concluded about fossils?

• fossils give clues about past climate patterns
• Fossils form from the hard parts of organisms
• The oldest fossils are found in the lowest rock layers
• The most recent fossils were advanced organisms

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

The age of a rock compared to the ages of other rocks is the rock's

• absolute age
• geologic age
• sedimentary age
• relative age

Tags

NGSS.MS-ESS1-4

A mass of igneous rock below the Earth's surface is called a __________/

• intrusion
• extrusion

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-3

Which best describes a fossil that helps determine the relative age of a rock layer?

• trace fossil
• index fossil
• radioactive fossil
• unconformity fossil

Tags

NGSS.MS-ESS1-4