Earth Science R Final Exam

Which of the following causes Earth's tectonic plates to move?

• Energy from the Sun
• Magnetic Pole Reversal
• Convection currents in the mantle
• Faults in Mountain Ranges

Which of the following is the name of the ancient supercontinent formed 280 Million Years ago.

• Pangea

• Gondwanda

• Laurasia

• Neverland

The core is mostly made up mostly of which elements?

• Oxygen and Silicon
• Silicon and Magnesium
• Nickel and Iron
• Iron and Magnesium

How are scientist able to estimate the thickness of each layer of the Earth?By studying __________

•  radio waves
• sonar waves
• laser waves
• seismic waves

How does the Oceanic crust compare to the Continental crust?

• A) The Oceanic crust is more dense

• B) The Oceanic crust is less dense

• C) The Oceanic crust has the same density as the Continental crust

At which plate boundary is one lithospheric plate sliding under another?

• A) Nazca Plate and Antarctic Plate

• B) Pacific Plate and Indian-Australian Plate

• C) Indian-Australian Plate and Antarctic Plate

• D) Nazca Plate and Pacific Plate

Which type of tectonic plate boundary is found between the South American Plate and the Scotia

Plate?

• A) transform

• B) convergent

• C) divergent

• D) complex or uncertain

A strong earthquake that occurs on the ocean floor could result in the formation of

• A) a tsunami

• B) a delta

• C) an El Niño event

• D) an ocean current

Which statement correctly compares seismic P-waves with seismic S-waves?

• A) P-waves travel faster than S-waves and pass through Earth's liquid zones.

• B) P-waves travel faster than S-waves and do not pass through Earth's liquid zones.

• C) P-waves travel slower than S-waves and pass through Earth's liquid zones.

• D) P-waves travel slower than S-waves and do not pass through Earth's liquid zones.

3) The lines on which set of views best represent Earth's latitude system?

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