Podcast
Questions and Answers
What is the main cause of thermal expansion weathering?
What is the main cause of thermal expansion weathering?
- Salt/mineral crystals
- Water
- Extreme temperatures (correct)
- Wind
How does frost weathering or ice wedging affect rocks?
How does frost weathering or ice wedging affect rocks?
- Causes rocks to compress
- Causes rocks to melt
- Makes cracks within rocks larger (correct)
- Prevents cracks from forming in rocks
What category do animal and plant actions fall under in terms of weathering?
What category do animal and plant actions fall under in terms of weathering?
- Frost Weathering
- Chemical Weathering
- Biological Weathering (correct)
- Exfoliation Weathering
What happens to rocks during exfoliation weathering?
What happens to rocks during exfoliation weathering?
Why do rocks in desert climates that experience hot days and cold nights undergo thermal expansion weathering?
Why do rocks in desert climates that experience hot days and cold nights undergo thermal expansion weathering?
What is the main focus of mechanical weathering?
What is the main focus of mechanical weathering?
Which process causes the rock to break down in chemical weathering?
Which process causes the rock to break down in chemical weathering?
How do scientists distinguish between mechanical and chemical weathering?
How do scientists distinguish between mechanical and chemical weathering?
What is one example of a factor that contributes to mechanical weathering?
What is one example of a factor that contributes to mechanical weathering?
How do changes to Earth's surface over time become visible?
How do changes to Earth's surface over time become visible?
What causes exfoliation in rocks according to geologists?
What causes exfoliation in rocks according to geologists?
Which process involves the breaking down of rock by being struck or impacted by another rock?
Which process involves the breaking down of rock by being struck or impacted by another rock?
In what type of climates does salt crystal growth weathering usually occur?
In what type of climates does salt crystal growth weathering usually occur?
How do living organisms contribute to the weathering of rocks mechanically?
How do living organisms contribute to the weathering of rocks mechanically?
What is the primary cause of rock weakening and disintegration by living organisms through chemical means?
What is the primary cause of rock weakening and disintegration by living organisms through chemical means?
