CA

Radioactive dating is used to study which element in igneous and metamorphic rocks?

• carbon

• Kryton

• Uranium

Tags

NGSS.HS-PS1-8

Several zircon crystals from Australia have been dated to have an estimated age of 4.2 billion years. Which statement BEST describes the period of formation of these crystals?

• recently formed

• Formed shortly after earth formation

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Which method would be BEST for scientists to use to determine the absolute age of a Precambrian igneous rock?

• Radiometric dating

• Relative dating

• Law of superposition

Which statement best describes the Law of Superposition?

• older on top younger on bottom

• younger on top older on bottom

• rocks are all the same age

Tags

NGSS.MS-ESS1-4

Which best describes how ice cores are important to the study of geologic history?

• They show unconformities, which signal changes in deposition.

• They hold index fossils, which are used to date the different ice cores

• They contain evidence showing changes in the atmospheric composition over time

Tags

NGSS.HS-ESS1-6

NGSS.HS-ESS3-5

A fossil discovered in Colorado dates from the early Mesozoic era. A year later a similar fossil is found in Wyoming that also dates from the early Mesozoic era. These two organisms most likely lived in

• same environment around the same time

• different environment around the same times

• same environment different time

Tags

NGSS.MS-LS4-1

Which characteristic of an index fossil makes it most useful in relative dating of rock layers and other fossils?

• existence was brief

• lived a long time

• lived in certain areas

Which of these provides the BEST evidence that the distribution of Earth’s oceans has changed over time?

• hot spots on ocean floor

• sediment build up on land

• marine fossils found on land

Tags

NGSS.MS-ESS2-3

A student is visiting a local limestone quarry and finds fossils of seashells. The quarry is located hundreds of miles from the ocean. The fossils BESTindicate that

• area was once below sea level

• temperature changed

• global flooding

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What do transitional fossils best support?

• Theory of Biological Evolution

• Theory of Geological Evolution

• Law of Superposition

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2