The reason those shells don't dissolve back into calcium and carbonate as soon as they're built is that ocean water is already holding as much calcium and carbonate as it can, so the mineral forms much more easily than it dissolves.那些贝壳之所以没有一建成就重新溶解成钙和碳酸盐，是因为海水...
Sitting on the beach and watching the waves (海浪) is so relaxing. If we can’t always be close to the ocean, why not create one by ourselves? Let’s make the ocean in a bottle! What we’ll need ●Water ●Cooking oil ●Blue food coloring ●A large clear plastic bottle ●A funnel...
1. What do we need when we make the ocean in a bottle? A.A small bottle. B.Cooking oil. C.Green food coloring.2. How much food coloring should we add? A.A full bottle. B.Several drops. C.1/3 of the bottle.3. Why should we shake the bottle at the last step?
Next, fill the rest of the glass with baby oil. The oil will sit on top of the water since water and oil don’t mix. Shake it up, tilt it around, and marvel at your very own ocean in a bottle! How to make a sandy beach in a bottle ...
to chart a better understanding of ocean currents. 绘制洋流图,以更好地了解它。 Ocean currents are driven by a range of sources: 洋流受到多个因素的驱使: the wind, tides, changes in water density, 风、潮汐、海水的密度变化 and the rotation of the Earth. ...
Distill Water From Rain or Snow Rain and snow are two forms of naturally distilled water. Water evaporates from the ocean, lakes, rivers, and the land and condenses in the atmosphere tofall as precipitation. Unless you live in a highly polluted area,the water is pure and safe to drink. ...
until the fish is just cooked through and becoming flaky, about 10 minutes, lifting the lid and gently stirring occasionally (if some of the fish breaks apart, that is okay). The pudding will be thick, but you can stir in additional hot water (or stock) to make it thinner, if you ...
Since water covers most of the earth, Cousteau knew that we should keep the sea clean. We should not litter the sea, and should clean up the dirty parts. As water is very important to our environment, he encouraged everyone to take part in protecting our lakes, rivers, sea and ocean. ...
How to let a drop of water never drained, and the only way is to make it flow like the sea 翻译结果3复制译文编辑译文朗读译文返回顶部 How to let a drop of water never drained, and the only way is to make it flow like the sea ...
When the bladder is completely deflated, the fish has minimum volume and sinks to the ocean floor. To stay at a particular level, a fish fills its bladder to the point at which it displaces a volume of water that weighs what the fish weighs. In this case, the forces of buoyancy and ...