Grade 10

Accidental Water Pollution

Accidental water pollution can arise from many sources (such as burst pipes and tanks, major leaks, fires and oil spills) ...
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/ burst pipe, Grade 10, leaks, oil spills, pollution, toxin, Water, water-wise

Agriculture

Agriculture can cause soil erosion due to the physical disturbance of soil and vegetation during ploughing, overgrazing, logging and road ...
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/ Grade 10, logging, murkiness, nitrates, overgrazing, phosphates, ploughing, road building, run off, Soil erosion, Water

Alien Invasive Plants

Posted by: Saving Water SA (Cape Town, South Africa) – partnered with Water Rhapsody conservation systems – 28 July 2010 ...
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/ Alien invasive plants, Grade 10, gum trees, hakea and prickly pear, infestation, pine, poplar, Water, wattles, weeping willow, Working for Water

Damming of Rivers

Damming of rivers can have an impact on water in a number of ways. Water flowing out of dams has ...
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/ Damming, Grade 10, nutrient depletion, saline, suspended material, Water, water flow

Dams in South Africa

Dams Presently there are a large number of dams all over South Africa that store this precious water but as ...
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/ Agriculture, and accidental water pollution, damming of rivers, Dams, deforestation, demand, destruction of wetlands, energy use, Grade 10, human population, industry, insufficient water resource, Mining, urbanization, Water, water quality

Deforestation

Clearing land for agriculture and urban growth is called deforestation and often leads to water pollution. When soil is stripped ...
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/ deforestation, Grade 10, murkiness, Soil erosion, trees, Water, water pollution

Domestic Uses of Water

There are many, many ways that we use our water and that is partly why it is so important that ...
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/ cleaning, cooking, drinking water, Grade 10, washing, Water, watering gardens

Earth systems and the water cycle

An ecosystem is a living system where different organisms interact with one another and with the environment they live in.  ...
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/ Atmosphere, Biosphere, ecosphere, Grade 10, Hydrosphere, Lithosphere, Water

Oceans of the world

Do the oceans have borders?  We may determine the ocean borders by using land ( city or country) as beacons. Approximate borders ...
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/ borders, currents, Grade 10, oceanography, oceans, salty water, Water

Properties of water

Why is water so special? Water is an essential part of the earth system. Water is special not only because ...
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/ adhesion, cohesion, gaseous, Grade 10, liquid and solid phases of water, surface tension, Water