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
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NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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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.