The Age of Earth's Rocks

What does each layer of rock represent?

• a period of time

• a different type of stone

• an intrusion

• a fault

Tags

NGSS.MS-ESS1-4

The __________of rocks is the numerical age and real age of rocks.

• relative age

• half-life

• absolute age

• earth age

Tags

NGSS.HS-ESS1-5

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers

• Near the bottom of the rock layers

• In the middle of the rock layers

• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

Earth is about _________ billion years old.

• 4.2

• 4.3

• 4.5

• 4.6

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

Which layer is the youngest?

• A

• F

• Can not tell

• They are all the same age.

Tags

NGSS.MS-ESS1-4

The relative age of a rock is ______.

• its age compared to the ages of other rocks

• the number of years since the rock formed

• its age based on how much carbon-14 the rock contains

Tags

NGSS.MS-ESS1-4

The relative age of a rock is

• its age compared with the ages of other rocks

• less than the age of the fossils the rock contains

• the number of years since the rock formed

• its age based on how much carbon-14 the rock contains

Tags

NGSS.MS-ESS1-4

Sophia had been reading about the history of Earth. She was surprised at the different ways geologists learn about the ages of rocks. Why is it important for geologists to use both relative and absolute ages to determine the age of rocks?

• Scientists want to learn about the age of rocks.

• Scientists need only one way to determine the age of rocks.

• Scientists may not be able to determine the absolute age of some

  rocks.

• Scientists can tell the age of rocks using the law of superposition.

Tags

NGSS.MS-ESS1-4

Sophia had been reading about the history of Earth. She was surprised at the different ways geologists learn about the ages of rocks. Why is it important for geologists to use both relative and absolute ages to determine the age of rocks?

• Scientists want to learn about the age of rocks.

• Scientists need only one way to determine the age of rocks.

• Scientists may not be able to determine the absolute age of some

  rocks.

• Scientists can tell the age of rocks using the law of superposition.

Tags

NGSS.MS-ESS1-4

Which layer is younger than layer 4?

• 2

• 1

• 6

• 3

Tags

NGSS.MS-ESS1-4