Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
-
Location: Walk around your area and identify places where rocks are visible (e.g., roadsides, riverbanks, hills, parks, or construction sites).
-
Collect Samples: If allowed, collect small samples of rocks from various locations for closer examination.
-
Observe the Following Characteristics:
-
Colour: Is the rock light, dark, or multi-coloured?
-
Texture: Is it smooth or rough? Gritty or fine?
-
Shape: Is the rock angular, round, or irregular?
-
Grain Size: Is the rock coarse- or fine-grained?
-
Layers: Do you see visible layers? This indicates it might be a sedimentary rock.
-
Fossils: Are there any visible fossils embedded in the rock? This suggests it might be sedimentary.
-
Hardness: Test the rock’s hardness by scratching it with a metal object or fingernail.
-
-
Classify the Rocks:
-
Igneous Rocks: Rocks formed from cooled magma (e.g., Granite).
-
Sedimentary Rocks: Formed from compressed particles or sediments (e.g., sandstone, limestone).
-
Metamorphic Rocks: Formed from heat and pressure (e.g., Marble, Slate).
-
-
Record Your Observations:
Write down the following for each rock:-
Name of Rock/Type
-
Location where found
-
Description (colour, texture, shape, grain size, etc.)
-
