Relative Vs Absolute Dating

What does relative dating help us determine?

• The number of fossils in a rock layer.

• The order of events or objects without specific dates.

• The exact age of an object or event.

• The chemical composition of rocks.

Which layer in a rock formation is typically the oldest?

• The topmost layer.

• The middle layer.

• The bottommost layer.

• The layer with fossils.

What is the main difference between relative dating and absolute dating?

• Absolute dating is faster than relative dating.

• Relative dating uses numbers, while absolute dating uses layers.

• Relative dating arranges events chronologically, while absolute dating provides numeric ages.

• Absolute dating is only used for fossils, while relative dating is used for rocks.

What is the half-life of uranium-238?

• 4.5 million years.

• 4.5 billion years.

• 45 billion years.

• 450,000 years.

Which type of radiometric dating is used for materials that were once alive and lived within the last 50,000 years?

• Uranium-to-lead dating.

• Isotope ratio dating.

• Carbon-14 dating.

• Zircon crystal dating.