Winnowing separates grain from husk, symbolizing how sages discern and retain virtues while discarding vices. This process reflects wisdom and clarity, emphasizing the importance of cultivating positive traits while letting go of negative influences.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
Tiwari Academy Discussion Latest Questions
The IAU defined an internationally agreed set of constellation boundaries in the early 20th century, officially listing 88 constellations and dividing the entire sky into these regions. Class 6 Science NCERT Chapter 12 Chapter 12 Beyond Earth
Yes, constellations are still used as a backup navigation method in emergencies, even with modern technology available. Class 6 Science NCERT Chapter 12 Chapter 12 Beyond Earth NCERT Session 2024-2025.
Other examples of gases include nitrogen, which makes up most of the atmosphere; helium, used in balloons; and methane, found in natural gas. These gases play essential roles in our environment and daily lives.
Water exists in three states: solid (ice), liquid (water), and gas (water vapor). We encounter ice in freezers, drink liquid water, and see steam rising when water boils, showcasing its versatility in everyday life.
Yes, we can conclude that the water collected outside the tumbler is solely due to condensation. The cool surface of the tumbler causes moisture from the air to condense, forming droplets on the exterior.
Yes, we can conclude that water is not seeping through the wall of the tumbler. The closed system, with the steel plate, prevents any water from escaping or entering, maintaining the total mass.
I’ve seen similar water droplets on cold beverage cans, especially during summer. In bathrooms after a hot shower, condensation forms on mirrors and tiles. Even on plants, dew appears in the early morning.
The water droplets on the outer surface of the glass are due to condensation. The cold temperature of the glass causes moisture in the air to cool and change from vapor to liquid, forming droplets.
The disappearance of water from puddles is due to both seeping into the ground and evaporation. The soil absorbs moisture, while sunlight and warmth cause water to evaporate, reducing puddle size effectively.