How Does Rain Happen We all know that rain is primary source of fresh water for most areas of the world, providing suitable condition for diverse ecosystems. Rain is water that descends from the sky through several processes until the rain occurs. Do you know how does rain happen? The phenomenon of rain is actually a water circle. The concept of water circle includes the sun heating the Earth’s water surface and causing the water surface to evaporate. Earth’s water includes water from lake, river, and ocean. Then, the water vapor experiences condensation and becomes condensed vapor. Condensed vapor is formed from droplets so that when the air temperature is higher, it makes the droplets gather, condensed and formed into clouds. The presence of winds helps clouds move and gather in other places that have lower temperatures. At that time, the droplets become heavier and unstoppable and cause the droplets to fall so that there is rain. If the droplets drop in an area with very cold temper
Cramming is Bad How do you study when the test is coming? Do you start preparing for the test weeks or months before the test or leave things to the last hour? If you start studying weeks or months before the test, it is great. However, if you study all the material in the last hour or minute, it is not good for you and it is called cramming. Cramming is the situation when students stay up until morning to study before their test. This habit can lead to negative impacts for some reason. The first reason is that disruptions in the regular sleep cycle can cause temporary intellectual lapses. For most students, less sleep can make them could not focus in the class. Additionally, cramming can leave us with “something that I have seen before” in our memory. However, being able to recognize something is not the same as being able to recall it. Besides that, each person has their different sleeping time, so some of them often use a stimulant for cramming. Furthermore, that stimulant gives bad