Geologic Time Scale

Jellyfish are one of the oldest species on Earth. In what time period does science say they first appear?

• Precambrian Era

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

In what Epoch are we currently in?

• Cenozoic

• Pliocene

• Quaternary

• Holocene

According to the TEXT, how old is the Earth?

(a)  

Tags

NGSS.MS-ESS1-4

The end of life for a group of organisms, usually a species is called a ____ ____________

(a)  

Tags

NGSS.MS-LS4-1

​ ​ (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 the text, which time period is the longest?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

According to the text if time were like a clock, humans would have shown up at ​ (a)   on Earth.​

• 11:58:43
• 11:38:34
• 10:58: 22
• 12:00:00
• 1:10:56

Tags

NGSS.MS-ESS1-4

If the same index fossils are found in different rock strata miles apart, what is probably true about rock layers?

(a)  

Tags

NGSS.MS-ESS1-4

Draw an arrow pointing to the oldest rock in these rock layers.

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

NGSS.MS-LS4-2