Exploring the Concept. 1  Provide the materials to the students. 2  Instruct students to cover their desktops with paper. 3  Have students examine the sugar cubes with the magnifying glasses. Students should record their observations on the observation sheet provided. They can either draw or describe the sugar cubes.
Gold is a precious metal used around the world in jewelry, electronics and even dentistry. Extraction of gold requires mining for it beneath the Earth's surface. Mining for gold has some negative effects, including erosion, the use of cyanide, loss of biodiversity and disruption of indigenous communities. Erosion Erosion can strip away much needed soil.
Definition of Environment // 9 (3) Mining Mining is the Act of extracting ores, coal etc. from the earth. Mining on Industrial scale canproduce environmental damages from exploitation and development even long after the miningis closed.The major effects of mining operations on human being and plants are as follows:1.