Podcast
Questions and Answers
What is plate tectonics?
What is plate tectonics?
- The theory that the earth's crust is broken up into plates (correct)
- The theory that the moon's surface is broken up into plates
- The theory that the earth's core is made of gold
- The theory that the earth's crust is a single solid piece
Which project was designed to analyze the ocean floor in the 1960s?
Which project was designed to analyze the ocean floor in the 1960s?
- Deep Space Exploration Project (DSEP)
- Deep Sea Drilling Project (DSDP) (correct)
- Oceanic Exploration Initiative (OEI)
- Oceanic Core Drilling Program (OCDP)
What was the name of the ship that participated in the Deep Sea Drilling Project?
What was the name of the ship that participated in the Deep Sea Drilling Project?
- Poseidon's Trident
- Glomar Challenger (correct)
- Titanic II
- Glomar Explorer
Which underwater mountain range runs from Iceland to Antarctica?
Which underwater mountain range runs from Iceland to Antarctica?
What was the main task of the Deep Sea Drilling Project?
What was the main task of the Deep Sea Drilling Project?
How do tectonic plates move?
How do tectonic plates move?
Which ocean drilling project contributed to uncovering evidence in support of plate tectonics?
Which ocean drilling project contributed to uncovering evidence in support of plate tectonics?
What was the initial theory about the formation of the oceanic ridge system?
What was the initial theory about the formation of the oceanic ridge system?
Why were some scientists initially skeptical about the idea of the Mid-Atlantic Ridge being a tectonic plate boundary?
Why were some scientists initially skeptical about the idea of the Mid-Atlantic Ridge being a tectonic plate boundary?
What did the samples taken from the ridge system show regarding the age of rocks as you move away from the crest?
What did the samples taken from the ridge system show regarding the age of rocks as you move away from the crest?
Why was the thickness of sediment found near the ridge crest significantly different from that found at farther distances?
Why was the thickness of sediment found near the ridge crest significantly different from that found at farther distances?
What did the samples taken from the ridge system disprove?
What did the samples taken from the ridge system disprove?
How did the discovery of thin sediment layers near the ridge crest support the seafloor spreading theory?
How did the discovery of thin sediment layers near the ridge crest support the seafloor spreading theory?
What is the main idea behind plate tectonics theory?
What is the main idea behind plate tectonics theory?
How do tectonic plates interact with each other?
How do tectonic plates interact with each other?
What was the purpose of the Deep Sea Drilling Project (DSDP)?
What was the purpose of the Deep Sea Drilling Project (DSDP)?
Where is the Mid-Atlantic Ridge located?
Where is the Mid-Atlantic Ridge located?
Which ship was used in the Deep Sea Drilling Project for collecting samples from the ocean floor?
Which ship was used in the Deep Sea Drilling Project for collecting samples from the ocean floor?
Why was the 1960s significant in the context of ocean exploration?
Why was the 1960s significant in the context of ocean exploration?
How was the evidence supporting plate tectonics theory uncovered?
How was the evidence supporting plate tectonics theory uncovered?
What was the significance of drilling the underwater ridge system mentioned in the text?
What was the significance of drilling the underwater ridge system mentioned in the text?
Why were some scientists initially doubtful about the concept of seafloor spreading at the underwater ridge?
Why were some scientists initially doubtful about the concept of seafloor spreading at the underwater ridge?
What did the samples taken from the ridge system reveal about the rocks as you move away from the crest?
What did the samples taken from the ridge system reveal about the rocks as you move away from the crest?
Why did scientists observe thin layers of sediment near the ridge crest and thicker layers as they moved away?
Why did scientists observe thin layers of sediment near the ridge crest and thicker layers as they moved away?
What did the discovery of increased sediment thickness in samples away from the ridge suggest about those areas?
What did the discovery of increased sediment thickness in samples away from the ridge suggest about those areas?
How did the evidence from drilling in the underwater ridge support the theory of seafloor spreading?
How did the evidence from drilling in the underwater ridge support the theory of seafloor spreading?
What aspect of tectonic plate movement was particularly perplexing to scientists regarding the Mid-Atlantic Ridge?
What aspect of tectonic plate movement was particularly perplexing to scientists regarding the Mid-Atlantic Ridge?
