Geologic Principles

Which principle states that the layers of sediment are generally deposited in a horizontal position?

• Principle of Crosscutting
• Principle of Superposition
• Principle of Original Horizontality
• Principle of Uniformitarianism

What is the term for the time it takes for half of a radioactive isotope to decay?

• Quarter-life
• Full-life
• Half-life
• Decay time

Tags

NGSS.HS-PS1-8

Which element is used for absolute dating?

• Oxygen
• Sodium
• Carbon
• Nitrogen

What principle states that sedimentary rock layers are horizontal when originally deposited?

• Principle of Uniformitarianism
• Principle of Original Horizontality
• Principle of Superposition
• Principle of Crosscutting

What is the term for a way to describe the age of one object or event compared to another object or event?

• Superposition
• Absolute age
• Relative age
• Uniformitarianism

What is the term for a place where rock layers are missing?

• Unconformity
• Uniformitarianism
• Intrusion
• Superposition

What principle states that the oldest rocks are at the bottom and the youngest rocks are at the top?

• Principle of Superposition
• Principle of Uniformitarianism
• Principle of Crosscutting
• Principle of Original Horizontality

Tags

NGSS.MS-ESS1-4

What is the term for the process of estimating ages of rocks and other objects compared with other rocks and objects?

• Relative age dating
• Absolute age dating
• Superposition
• Uniformitarianism

Which principle states that the rock layers that contain the inclusion are older than the intrusion?

• Principle of Superposition
• Principle of Intrusion
• Principle of Original Horizontality
• Principle of Uniformitarianism

Which element is used for absolute dating of rocks and fossils?

• Sodium
• Nitrogen
• Potassium
• Uranium