Bài 4: The Plates

Lesson 4: The Plates

There are also huge landmasses on our planet. The rock plates that float across the surface are called tectonic plates. Those plates float on the mantle. The mantle is an area between the core and the crust. That mantle is basically filled with molten rock. It is kept in a liquid state because of the energy given off by the center (core) of the Earth. Scientists have also discovered that the pressure increases as you move towards the center of the planet. The core of the Earth has extreme temperatures and pressures that keep the iron and metals liquid and flowing

Từ mới:

Plate (n., sing.) mảng (địa chất), khối đá lớn
Tectonic (adj.) : thuộc Kiến tạo
The Plate tectonics: Thuyết Kiến tạo mảng (thuyết địa mảng)
tectonic plates: các mảng kiến tạo


Mantle (n.): lớp Mantle (địa chất)
the middle layer of the Earth that is between the top crust and the inner core
The mantle is an area between the core and the crust (of the Earth)

Core (n.): lõi
Core zone: vùng lõi
Crust (n.): lớp vỏ
Rock (n.): đá
Molten (adj.): (kim loại) được nấu chảy, nóng chảy (luôn sử dụng với noun )
molten metal
molten rock
molten lava
Flow (v.) : (chất lỏng) chảy, v.ing: flowing
Chú ý cách sử dụng THAT ở các câu khác nhau, với các nghĩa khác nhau.

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