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Vulkānisms

Vulkānisms

Šajā animācijā iepazīsiet dažādus vulkānu izvirdumu veidus.

Ģeogrāfija

Atslēgvārdi

vulkāns, magnētiskā darbība, vulkāna izvirdums, volcanoes, vulkāniskā aktivitāte, magma, post-vulkāna darbība, magma kamera, plāksnes tektonika, zemestrīce, lava, kalnu veidošana, Vesuvius, Dabaszinības, Ģeogrāfija, tektoniskā plāksne, Zemes garozs, katastrofa

Saistītie vienumi

Ainas

Saistītie vienumi

Hotspots

Hotspots are areas of the Earth´s crust where magma often rises to the surface and causes volcanic activity.

Formation of stratovolcanoes

Stratovolcanoes consist of layers of volcanic ash, debris and lava.

Geyser

A geyser is a spring characterised by intermittent discharge of water and steam.

Continental drift on a geological timescale

The Earth's continents have been in constant motion during the history of the planet.

Deep-sea hydrothermal vents

A hydrothermal vent is a fissure in the planet's surface through which geothermally heated water erupts.

Earthquake

An earthquake is one of the most devastating natural phenomena.

Faulting (basic)

Vertical forces can break up layers of rock into fault blocks, which then move vertically along the fracture planes.

Folding (basic)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Folding (intermediate)

Lateral compressive forces cause rocks to form folds. This is how fold mountains are formed.

Seafloor map

The boundaries of tectonic plates can be seen on the seafloor.

Tectonic plates

Tectonic plates can move in relation to each other.

Topographic map of Hungary

This animation demonstrates the geographical regions of Hungary.

Topography of the Earth

The animation presents the largest mountains, plains, rivers, lakes and deserts of the Earth.

Tornadoes

Short-lived but extremely powerful tornadoes can cause a great deal of damage.

Tsunami

Tsunami waves are very high waves of immense destructive power.

Carbon cycle

Carbon is bound in organic substances during photosynthesis, while during breathing, it is released into the atmosphere.

Earth

The Earth is a rocky planet with a solid crust and oxygen in its atmosphere.

Greenhouse effect

Human activity increases the greenhouse effect and leads to global warming.

Terms of physical geography

This animation demonstrates the most important relief features, surface waters and their relevant symbols.

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