History of Earth Vocab

What is the preserved remains or traces of living things called?

• Relative age

• Fossil

• Unconformity

• Era

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

What term describes the age of a rock compared to the ages of rock layers?

• Absolute age

• Law of superposition

• Relative age

• Geologic time scale

What is the age of a rock given as the number of years since the rock formed?

• Relative age

• Absolute age

• Era

• Period

Tags

NGSS.MS-ESS1-4

Which geologic principle states that in horizontal layers of sedimentary rock, each layer is older than the layer above it and younger than the layer below it?

• Unconformity

• Radioactive decay

• Law of superposition

• Mass extinction

Tags

NGSS.MS-ESS1-4

What is a place where an old, eroded rock surface is in contact with a newer rock layer called?

• Fossil

• Unconformity

• Vertebrate

• Reptile

Tags

NGSS.MS-ESS1-4

What is the breakdown of a radioactive element, releasing particles and energy, known as?

• Geologic time scale

• Radioactive decay

• Mass extinction

• Amphibian

Tags

NGSS.HS-PS1-8

What is a record of the geologic events and life forms in Earth's history called?

• Era

• Period

• Geologic time scale

• Invertebrate

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

What is one of the three long units of geologic time between the Precambrian and the present?

• Period

• Era

• Fossil

• Mammal

Tags

NGSS.MS-ESS1-4

What is one of the units of geologic time into which geologists divide eras?

• Era

• Period

• Relative age

• Reptile

Tags

NGSS.MS-ESS1-4

What is an animal without a backbone called?

• Vertebrate

• Invertebrate

• Amphibian

• Mammal