Geological Time Scale

Layers of rock laid down over millennia, are called:

• Rocklayers

• Strata

• Layers

• Streets

In which time period are we currently living?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

Tags

NGSS.MS-ESS1-4

History of life as documented by all fossils, preserved in sedimentary rock strata is known as the _________________________.

• Rock record

• Fossil record

• Geology record

• Petrified record

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Approximately how old is the Earth?

• 4.6 billion years old

• 4.6 million years old

• 5 billion years old

• 5 million years old

Tags

NGSS.MS-ESS1-4

In what time period did Pangaea, the super continent, develop?

• Precambrian Time

• Paleozoic Era

• Mesozoic Era

• Cenozoic Era

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

This chronological time chart is broken into different time chunks, the largest being the Eon, then Era, Period, and Epoch.

• Timeline

• Calendar

• Geological time scale

• Time chart

Tags

NGSS.MS-ESS1-4

Isotopes of the same element differ in the number of:

• protons

• neutrons

• electrons

• atoms

If radioactive element A has a halflife of 5 years and you started off with 16g. How many grams of element A will be left after 15 years?

• 2g

• 4g

• 16g

• 8g

In which type of rock are fossils found?

• igneous rock

• sedimentary rock

• punk rock

• hard rock