How does rain form? Let me introduce for you. Rain is a drop of water falling from the clouds, when the sun is shining and the air is warm, water vapor will evaporate and become moist air. The water vapor condenses in the sky, an...
【题目】_-___ ___ ___ ___ ___ ___ ___ ___ _D How does rain form?Warm air holds quite a bit of water. T he wat er exists in the form of water vapour ( invisi ble water in the air). Water vapour always exi sts in our air. For example, in the summer it is usually...
Where Does Rain Come From? Rain comes from clouds and clouds are formed by water vapor rising in the air. These water molecules will clump together and eventually form a cloud you can see. These water droplets will attract more water droplets and the cloud will get heavier and heavier. Li...
Where does the water in the pond go in hot summer? A. Into the air. B. Into the ocean. C. Into the earth. D. Into the kettle.(C)2. When does the cloud form in the water cycle? A. When the sun heats the water. B. When the water in the air cools. C. When the droplets...
How much water is in a rain cloud? A 1 cubic kilometer (km3)cloud contains 1 billion cubic meters. Doing the math: 1,000,000,000 x 0.5 =500,000,000 gramsof water droplets in our cloud. That is about 500,000 kilograms or 1.1 million pounds (about 551 tons). ...
Cloud seeding exists in theory and in practice. But does it really work? Studies are mixed on the effectiveness of cloud seeding in different environments. One problem is that it’s difficult to determine whether clouds are going to produce rain anyway. Did it ...
When the clouds have enough water, the drops fall to the ground as rain.根据材料内容选择最佳答案()1. You should prepare the following things except A. a glass jar B. hot water C. some salt D. ice cubes( )2. How long does it take to see raindrops in this experiment? A. About ...
Water evaporates into the sky to form clouds when ___ there hasn't been rain for a long time. water particles slow down enough. water particles are moving fast enough. more air pressure is pushing down. Worksheet PrintWorksheet 1. How does heat turn boiling water into gas? Heat...
Lumps of ice fall out of the cloud. 冰变得很重。一块块冰从云中掉下来。结合选项,推测fall out of是落下的意思,故选A。 (2)根据Plants need rain to grow. 植物需要雨水才能生长。结合文章图片,推测plants的意思为植物,故选B。 (3)根据We need rain but too much rain is bad.It may damage ...
How does an anticyclone affect the weather? What damage can a tornado cause? How do tornadoes affect the lithosphere? What causes a tornado? How do sinkholes form? How do tornadoes affect the hydrosphere? How does relief rain occur?