पदार्थ के कण निरंतर गतिशील रहते हैं, अर्थात उनमें किस प्रकार की ऊर्जा होती है?

Which measurable quantity remains the same when a liquid is transferred between containers?

Why do we feel cool when sweat evaporates from our skin?

Which physical process best explains how water droplets form on the outer surface of a cold glass of water on a hot day?