The minerals jessica
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Minerals are natural materials that can be found on their own or as part of rocks, bones, and shells. Each mineral has a distinctive color and shine, and their hardness can range from very soft to extremely hard. Minerals and rocks are useful resources that are mined or quarried for uses like building, jewelry, and fuel. The ground is composed of various materials including rocks, sand, soil, air, water, and decomposed organic matter called humus, which provides fertility. The amount of water, air, and humus affects a region's soil quality and determines what types of plants can grow there. Underground water collects in porous rock layers below ground and sometimes surfaces to form oases in desert areas.
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The minerals jessica
- 1. THE MINERALS JESSICA GUO HU
- 2. MINERALS Minerals are natural materials. Besides being found on their own, They can be part of rocks, animal bones and shells. o
- 3. COLOUR Each mineral has a typical colour or colours.
- 4. SHINY OR DULL Some minerals are shiny for example pyrite. Others are dull for example, chalk.
- 5. HARD OR SOFT Diamond is the hardest mineral. Gypsum is the softest mineral.
- 6. MINERALS ARE USEFUL We use minerals like gypsum to build buildings. We use minerals like diamonds to make jewellery.
- 7. ROCKS Rocks are materials made up of minerals. We dig mines to obtain rocks that are under the ground. We dig quarries to obtain rocks that are on the surface.
- 8. ROCKS ARE USEFUL Slate,marble and granite are used for building. Coal is used for fuel.We burn it to obtain heat.
- 9. GRANITE Granite is hard and resistant.
- 10. TYPES OF SOIL The ground is made up of rocks,sand,soil,air,water and humus. Humus is the remains of living things like leaves.
- 11. FERTILE GROUND Fertile ground has a lot of water,air and humus. It is good for plants.
- 12. POOR GROUND Poor ground has little water, air and humus. Only resistant plants, like olive trees, can grow in poor ground.
- 13. VERY POOR GROUND Very poor ground, for example in the desert, very few plants can grow there.
- 14. UNDERGROUND WATER Some water from rain filters through the ground, and reaches the bottom layer of rocks. These rocks do not let the water filter any further. It stops and becomes underground water.
- 15. OASIS In deserts, this underground water creates an oasis. An oasis is where people and animals can find water.
- 16. THE END