Mining depletes mineral resources, disrupts land and ecosystems, and can cause pollution. It often leads to habitat destruction and can have long-term negative effects on the environment and surrounding communities.
Tiwari Academy Discussion Latest Questions
Ajji, Bhoomi and Surya’s grandmother, provides a welcoming and nurturing environment for them during their vacation. Her village serves as the backdrop for their adventures, and she likely shares her knowledge of the local surroundings.
Around Ajji’s village, one can see beautiful hills, clear streams, and a variety of interesting plants, animals, and birds. The natural beauty and biodiversity of the area make it a fascinating place to explore.
“A Journey through States of Water,” Chapter 8, explains how water changes between solid, liquid, and gas through freezing, melting, evaporation, and condensation. It highlights the water cycle, its importance, and water conservation.
To find out how hot or cold a body is, use a thermometer. A thermometer measures temperature by detecting changes in physical properties, like liquid expansion or electrical resistance, and displays the temperature on a scale.
To measure temperature with a laboratory thermometer, immerse the bulb in the substance or environment being measured, wait until the liquid stabilizes, and then read the temperature from the scale. Ensure accurate placement.
Yes, when a thermometer is removed from water, the liquid column falls because it cools down and contracts. The liquid inside the thermometer shrinks as it loses heat, causing the column level to decrease.
Yes, some objects in the sky have temperatures exceeding the Sun’s core. For instance, neutron stars and supernova remnants can reach temperatures over 100 million degrees Celsius due to their extreme density and energy.
Here are the planets’ distances from the Sun (in AU) and average temperatures: Mercury (0.39 AU, 167°C), Venus (0.72 AU, 464°C), Earth (1.00 AU, 15°C), Mars (1.52 AU, -65°C), Jupiter (5.20 AU, -110°C), Saturn (9.58 AU, -140°C), Uranus (19.22 AU, ...
In India, Leh in Ladakh is among the coldest places, with temperatures dropping to -40°C. Phalodi in Rajasthan is one of the hottest, reaching up to 51.0°C. These extremes vary seasonally.