Per the USDA Food Safety and Inspection Services (FSIS), if an egg sinks to the bottom of a bowl of water, it's extra fresh. If an egg floats in water, its air cell has enlarged just enough to keep it bouyant. This means the egg is old, but it may be absolutely safe to eat....
The egg floats because the water is now ___. A. cold B. hot C. salty D. sweet 相关知识点: 试题来源: 解析 C。鸡蛋能浮起来是因为水加了盐变咸了,salty 是“咸的”;cold 是“冷的”;hot 是“热的”;sweet 是“甜的”,都与鸡蛋浮起来的原因无关。考查形容词与实验原理的结合。
Inside an egg the developing chick generates plenty of metabolic water from the fat-rich yolk (yellow part of the egg) as it grows. This water has to be removed; otherwise the embryo would drown in its own juices, so to speak, and it does this by allowing it to diffuse as water vap...
Inside an egg the developing chick generates plenty of metabolic water from the fat-rich yolk (yellow part of the egg) as it grows. This water has to be removed; otherwise the embryo would drown in its own juices, so to speak, and it does this by allowing it to diffuse as water vap...
Adding salt increases the density of the water. Once the water is more dense than the egg, the egg floats. You could also try other objects to see what else you can make float. Just remember to check the object sinks in tap water first. Why not try one of my othersink or float exp...
B. An egg floatseasily when the salt water is dense enough. C. An egg will gothrough the salt water and stop in the middle of it. D. Throw an egginto the water, and then it will float. ( ) 29. What canbe inferred from the passage? A. We can’t dothe experiment at home. ...
Now use a spoon to lower the objects into the water. The coin sinks, of course, and the cork floats. But now the egg goes to the bottom of the tap water but floats in the salt water. Push down on it gently with a spoon to see it return to the same level. How...
The meaning of EGG CREAM is a sweetened drink made with milk or cream and other ingredients; especially : a drink consisting of milk, a flavoring syrup, and soda water.
What happens when an egg is placed in plain water? A. It floats. B. It sinks. C. It dissolves. D. It E. xplodes. 相关知识点: 试题来源: 解析 B。解析:文章中明确提到“When an egg is placed in plain water, it sinks to the bottom.”,所以答案是 B。反馈 收藏 ...
Now remove the egg from the tap water and stir in one teaspoon of salt. Replace the egg and observe what happens. If they egg still sinks, repeat the process. Continue doing this until your egg floats. The amount of salt needed will depend on the size of your container and how much ...