Geologic Time Scale

1. In which time period are we currently living?

• A. Precambrian Time
• B. Paleozoic Era
• C. Mesozoic Era
• D. Cenozoic Era

Tags

NGSS.MS-ESS1-4

2. Jellyfish are one of the oldest species on Earth. In what time period did they first appear?

• A. Precambrian Time
• B. Paleozoic Era
• C. Mesozoic Era
• D. Cenozoic Era

3. In what time period did Pangaea, the super continent, appear?

• A. Precambrian Time
• B. Paleozoic Era
• C. Mesozoic Era
• D. Cenozoic Era

Tags

NGSS.MS-ESS1-4

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

• A. Precambrian Time
• B. Paleozoic Era
• C. Mesozoic Era
• D. Cenozoic Era

5. Which time period is the longest?

• A. Precambrian Time
• B. Paleozoic Era
• C. Mesozoic Era
• D. Cenozoic Era

Tags

NGSS.MS-ESS1-4

True or False: The age of one rock layer or fossil compared to another. (Ex. One is older or younger than another

• true
• false

Tags

NGSS.MS-ESS1-4

True or False: The “exact” age of a fossil determined by radiometric dating or the half life of radioactive elements.

• true
• false

Name atlease two characteristics of index fossils

• wide geographic distribution, live a short time
• abundant, live a long time
• easily recognizeable, live a long time
• small geo distribution, live a long time

True or False: Absolute and relative dating of rocks and fossils and the fossil record.

• true
• false

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Approximately how old is the Earth?

• 4.6 by
• 4.6my
• 4.6 ty
• 450 years old

Tags

NGSS.MS-ESS1-4