Dating Techniques Lessons

Dating Techniques Lessons

Fill in the Blank

________ dating is used to compare ages, such as layer A is younger than layer B.

Fill in the Blank

________ dating is used to find the exact age of a rock or fossil.

Multiple Select

Which 2 techniques are used for relative dating?

• law of superposition

• radiometric dating

• carbon 14

• index fossils

Poll

According to the law of superposition, which layer is the youngest?

• D

• C

• B

• A

Multiple Choice

Using the image, put the layers in the order that they were deposited. (oldest to youngest)

• C,A,D,E,D

• A,D,C,D,E

• C,A,D,B,E

• C,A,B,D,E

Fill in the Blank

Letter ____ is the youngest layer

Multiple Select

Which of the 3 techniques are used for absolute dating?

• radiometric dating

• half life

• carbon 14

• law of superposition

Why are there marine fossils on top of Mount Everest?

Poll

Ice cores tell us about Earth's past climate and atmospheric conditions

• true

• false

Multiple Choice

Which method can BEST be used by the students to determine the relative age of these layers?

• radiometric dating

• rock type evaluatoin

• the law of superposition

• principle of uniformitarianism

Multiple Choice

Certain fossils can be used to help determine the age of the rock layer in which the fossils are found. Which type of fossil is BEST to use when making this determination?

• marine mammal fossil

• index fossil

• swamp fern fossil

• trace fossil

Multiple Choice

Which provides the best evidence of Earth’s changing climate?

• ice cores

• metamorphic rocks

• volcanic ash

• sediment in river banks

Multiple Choice

By which method have scientists determined that the Earth is about 4.5 billion years old?

• plate tectonics

• relative dating

• radioactive dating

• law of superposition

Multiple Choice

A fault is found that cuts through lower rock layers but not those above it. What can most likely be concluded?

• The fault is the same age as the layers it cuts through, and the same age as the layers above it.

• The fault is younger than the layers it cuts through, and younger than the layers above it.

• The fault is younger than the layers it cuts through, but older than the layers above it.

• The fault is older than the layers it cuts through, but younger than the layers above it.

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