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Kuelezea maana ya asilimia

Describing the meaning of precent: a Khan Academy video on percentages with the audio translated into Kiswahili

This online tutorial guides you through what information a map shows, map legends and the different types of maps which are available.

Food webs are models that demonstrate how matter and energy is transferred between producers, consumers, and decomposers as the three groups interact within an ecosystem. Transfers of matter into and out of the physical environment occur at every level. Decomposers recycle nutrients from dead plant or animal matter back to the soil in terrestrial environments or to the water in aquatic environments. The atoms that make up the organisms in an ecosystem are cycled repeatedly between the living and nonliving parts of the ecosystem.

This video explores percentage changes.

This YouTube video explains how river basins are formed.

This 20 minute YouTube video explores the differences between small and large scale agriculture and the uses of each.

This YouTube documentary highlights the ecological and socio-economic importance of the Tana River Basin in Kenya.

This online tutorial will provide you with some guidelines on how to interpret both topographic and geologic maps.

Video 1: Finding percentages with a double number line
Video 2: Finding the whole with a tape diagram
Online activity: Find percents visually

This 32 minute long YouTube video investigates the water contamination problems in Tanzania, with specific focus on Dar Es Salaam.