SCI8 Law of Superposition & Geological Dating

1. Which principle states that in an undisturbed sequence of rock layers, the oldest layer is at the bottom?

• Principle of Cross-Cutting Relationships
• Principle of Original Horizontality
• Law of Superposition
• Principle of Intrusion

2. Relative dating allows us to determine the ___________ ages of rocks and geological events.

• Precise numerical
• Absolute
• Approximate
• Relative

Tags

NGSS.MS-ESS1-4

3. In an undisturbed sequence of rock layers, the youngest layer is located ______________.

• At the bottom
• At the top
• In the middle
• None of the above

Tags

NGSS.MS-ESS1-4

4. The principle of original horizontality states that sedimentary rock layers are initially deposited ____________.

• In an inclined position
• In a horizontal position
• In a vertical position
• None of the above

5. How does the law of superposition help in relative dating?

• It provides precise numerical ages
• It identifies the youngest layer
• It determines the absolute age of rocks
• It establishes the chronological order of rock layers

Tags

NGSS.MS-ESS1-4

6. Which principle states that an igneous intrusion or fault is younger than the rock it cuts across?

• Principle of Cross-Cutting Relationships
• Principle of Original Horizontality
• Law of Superposition
• Principle of Intrusion

7. Which of the following allows us to establish the relative order of geological events without assigning specific ages?

• Radiometric dating
• Absolute dating
• Relative dating
• Chronometric dating

Tags

NGSS.MS-ESS1-4

8. What can we determine from the presence of a fossil in a rock layer?

• The exact age of the rock layer
• The relative age of the rock layer
• The type of rock in the layer
• The presence of oil deposits

Tags

NGSS.MS-ESS1-4

9. How do geologists use the law of superposition and relative dating in their work?

• To determine the precise age of rocks
• To study the composition of rocks
• To establish the order of events in Earth's history
• To locate underground water sources

Tags

NGSS.MS-ESS1-4

10. What type of dating method would be most appropriate to determine the numerical age of a rock layer?

• Radiometric dating
• Relative dating
• Chronometric dating
• Absolute dating