Podcast
Questions and Answers
What are the three main layers of the Earth?
What are the three main layers of the Earth?
- The lithosphere, the asthenosphere, and the lower mantle
- The crust, the mantle, and the core (correct)
- The mantle, the outer core, and the inner core
- The crust, the outer core, and the inner core
What is the outer layer of the Earth made of?
What is the outer layer of the Earth made of?
- Molten iron
- Water
- Solid rock (correct)
- Gas
What are convection currents and their role in heat transfer?
What are convection currents and their role in heat transfer?
- The flow of air molecules that cause earthquakes
- The movement of water in the ocean
- The flow of heat within a fluid (correct)
- The transfer of heat through radiation