'Explosive volcanoes' presentation slideshows

Styles of Eruptions and Volcanic Hazards

Styles of Eruptions and Volcanic Hazards. Styles of volcanic eruptions. Some volcanoes may erupt only once - monogenetic (Diamond Head) Other volcanoes erupt many times - polygenetic (Kilauea) Some erupt very gently (Kilauea)

820 views • 65 slides

Volcanoes

Volcanoes. Part A What are volcanoes?. What is a Volcano?. Hot Lava. Cold Rock. ACTIVE. Z. Z. z. DORMANT. EXTINCT. Mountains that erupt lava. Hawaii. Activity. What helps make explosive eruptions ?. Making a Volcanic Eruption You will need: 2 litre bottle of soda or cola

410 views • 26 slides

POWER-UP 2/9

321 views • 25 slides

Structure of the Earth

Structure of the Earth. Compositional (Chemical) Layers. Crust: Low density High in silicon (Si) and oxygen (O) Moho: Density boundary between crust and mantle Mantle: Higher density High in Magnesium (Mg) and Iron (Fe) Core: High in Nickel (Ni) and Iron (Fe).

228 views • 19 slides

Volcanoes and Climate

318 views • 14 slides