An eclipse occurs when one heavenly body moves into the shadow of another celestial body.

Tsunamis are giant waves caused by earthquakes, tremors or volcanic eruptions under the sea.

An earthquake or tremor is an intense shaking of Earth's surface caused by activity movements in Earth's outermost layer.

Oceans are big areas of salt water that cover around 72% of the Earth's surface. Oceans greatly influence the weather and temperature.

A grassland is a large flat land filled with low-growing [...]

Erosion is the geological process in which Earth materials are transported from one place to other.

A plateau is a large area of flat land raised [...]

A lake is an extension of freshwater separated from the [...]

Weathering is the breaking down or dissolving of rocks and [...]