Fluids flow from hot to cold at an interface such as the …
Fluids flow from hot to cold at an interface such as the surface of the bubble. As the bubbles begin to freeze, the still-liquid part of the bubble keeps moving, ripping ice crystals off the growing freeze front and tossing them around. Those ice crystals each create their own freeze front, making the bubble’s surface solidify faster.
Parachutes slow down the fall of an object by creating more air …
Parachutes slow down the fall of an object by creating more air resistance for the falling object. All objects fall at the same speed, regardless of their mass. But, more air resistance can slow them down. So, as a parachute is made larger, it will have more air resistance and slow down the object more.
Different animals eat different foods, based on their needs, environment, and what …
Different animals eat different foods, based on their needs, environment, and what their bodies are able to digest. There are similarities across animals, some are herbivores (eat only plants), some are carnivores (eat only other animals), and some are omnivores (eat both).
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