Unit 4 Exam

​ ​ (a)   is the type of dating that allows scientists to know the exact age of a fossil or rock.

• Absolute Dating
• Relative Dating

According to our notes, which time period is the longest?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

Dinosaurs, small mammals, and birds are found in this time period.

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-LS4-1

Preserved remains of plant and animals from the remote past are called ____________.

Tags

NGSS.MS-LS4-1

According to the notes, how many mass extinctions have we had in Earth's history?

• 3

• 1

• 0

• 5

Tags

NGSS.MS-LS4-1

Radioactive Dating is one way that scientists can determine absolute age. The type that scientists use specifically to age fossils (once living organisms) is with the ​ (a)   method.

• Carbon-14
• Uranium-238
• Potassium-40
• Sodium-24
• Iodine-131

Tags

NGSS.HS-PS1-8

The Law of ​ (a)   is the law that states older rock is on the bottom and younger rock is on the top.

• Superposition
• Cross-cutting
• Inclusions

Tags

NGSS.MS-ESS1-4

The Law of ​ (a)   states that any feature that cuts across a sequence of rocks, is younger than everything it cuts.

• Crosscutting
• Superposition
• Inclusion

The Law of ​ (a)   states that any rock or fragment that is included inside of another rock is older than the rock in which it is included.

• Inclusions
• Crosscutting
• Superposition

The soft parts of organisms are most likely to become fossils. 

• True
• False