🟡 درک مطلب در مورد Tectonic Plates
Tectonic Plates: Movement and Geological Consequences
Tectonic plates refer to the rigid, puzzle-like pieces that make up the Earth's outer shell. These plates float on the semi-fluid asthenosphere beneath them. The theory of plate tectonics explains that these plates move due to the convection currents in the asthenosphere, leading to various geological phenomena. j
The movement of tectonic plates can result in earthquakes, volcanic activity, and the formation of mountain ranges. Earthquakes occur when tectonic plates slide past or collide with each other, releasing enormous amounts of energy. Volcanic activity, on the other hand, arises when magma from the Earth's mantle rises to the surface, often at plate boundaries. When two plates meet head-on, they can create mountains by pushing up against each other. j
The consequences of plate movement extend beyond the observable surface features. These movements can prompt the release of greenhouse gases trapped in the Earth's crust, potentially affecting climate change. Additionally, the shifting of tectonic plates leads to the creation and destruction of habitats, influencing biodiversity patterns across the planet. j
Q1. What is the cause of tectonic plate movement? J
A) Gravitational pull from the Moon
B) Convection currents in the asthenosphere
C) Magnetic forces from the Earth's core
D) Solar radiation affecting the Earth's crust
Q2. Which of the following geological phenomena arises due to the sliding or collision of tectonic plates? J
A) Tsunamis
B) Hurricanes
C) Tornadoes
D) Droughts
Q3. How does volcanic activity occur at plate boundaries? J
A) Friction between plates releasing energy
B) Earthquakes triggering the eruption of volcanoes
C) Subduction of one plate beneath another
D) Meteorite impacts causing volcanic eruptions
Q4. Which of the following is a long-term consequence of plate movement? J
A) Ocean currents
B) Desertification
C) Formation of mountain ranges
D) Coral bleaching
Q5. How does plate movement impact biodiversity? J
A) It promotes the spread of invasive species
B) It creates new ecosystems and habitats
C) It reduces the overall species richness
D) It has no direct influence on biodiversity
