Measuring Earth's Age

What is the primary method used to determine the age of the Earth?

• Carbon dating

• Radiometric dating

• Ice core sampling

• Tree ring analysis

The age of the Earth is estimated to be about _____ billion years.

• 2

• 3

• 4.5

• 5

Tags

NGSS.MS-ESS1-4

Which of the following is a scientific method for measuring Earth's age?

• Relative dating

• Absolute dating

• Both A and B

• None of the above

Tags

NGSS.MS-ESS1-4

The law of superposition states that in undisturbed rock layers, the _______ layer is at the bottom.

• Oldest

• Youngest

• Middle

• Newest

Tags

NGSS.MS-ESS1-4

What does Relative Dating determine?

• The specific age of rocks

• The age of rock in relation to other rocks

• The chemical composition of rocks

• The color of rocks.

Absolute Dating provides a specific age for rocks and fossils. Which method is used in Absolute Dating?

• Law of Superposition

• Fossil comparison

• Radioactive dating

• Geological columns

Which of the following is an example of relative dating?

• Using your birthday to calculate the exact number of days you’ve been alive

• Stacking a bunch of iPhones by their model number

• Setting a timer and checking it several hours later

• Using the sun’s location to determine if it is currently morning, afternoon, or evening.

Fill in the blank: Using your birthday to calculate the exact number of days you’ve been alive is an example of _______ dating.

• Relative

• Absolute

What is the first step in the deposition of sedimentary rock layers?

• Sediment is deposited in layers over time

• Erosion carries sediment to a new location

• Pressure compacts these layers into rock

• Sediment is eroded by wind and water.

Tags

NGSS.MS-ESS2-1

Sediment is _______ in layers over time.

• eroded

• deposited

• compacted

• dissolved

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-1