Friday Rapid Changes (3.10C) Feb. 14

forming new land.

making oceans boil.

carving deep valleys.

pushing aside hills.

throw rocks and ash into the air.

force lava through holes in the ground.

violently shift the surface of the earth.

cause clouds to form and rain to fall.

river

landslide

volcano

earthquake

delta.

volcano.

landslide.

glacier.

Landslides

Volcanic eruptions

Earthquakes

Mountain building

building up layers of hardened lava.

releasing water vapor into the air.

shooting out clouds of ash and smoke.

Large cracks suddenly form in the ground.

A large rock slowly moves across the land.

Hills of sand form as the wind blows.

A large amount of heat rises into the air.

Pack the materials into a closed container and shake them rapidly.

Sift the materials through a strainer to separate the rocks and soil.

Place the materials on a sloping surface and pour water on them.

Spread the materials on a flat surface and blow on them with a straw.

A mountain forming due to volcanic eruptions.

A valley getting deeper as a river runs through it.

A plain forming cracks when hot weather makes it dry.

A hill rising as the wind piles up loose sand.

Weathering of rocks

Movement of waves

Eruptions of a volcano

Piling up of sand