domingo, 23 de noviembre de 2014

Videos: Atmosphere and Hydrosphere.

Two new videos: Atmosphere and Hydrosphere.

The first one is related to the atmosphere and its characteristics, composition and layers, atmospheric phenomena, clouds, rain snow and hail.
Level: 1st ESO.

The second one is related to the hydrosphere: its characteristics and distribution, differences between salt and fresh water, characteristics of seawater, seawater movements. Main types of fresh water.
Level: 1st ESO.

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