Hot air rises because when air is heated, its molecules move faster and faster making them move further and further apart. When they are further...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
英语填空1.Hot air rises,but cold air( ).2.In tropical areas,it is never( ).3.In a rainforest it rains every day.The ground is always( ).4.In temperate areas,the temperature does not go( )-3度. 英语作业帮用户2017-11-10 举报 用这款APP,检查作业高效又准确!扫二维码下载作业帮 4亿+...
Do We Feel Hot or COLD? Air Temperature Does Not Tell Us Everything!doi:10.1080/00368120209603629Yu-PingChouInformaworldScience Activities Classroom Projects & Curriculum Ideas
She sees my talent and pushes me to do the best I possibly can. As I was growing up, we were often on the move. I had to admit that moving so often made me feel lonely. But my mother did everything she could to help me feel happy. In fact, so much traveling was really a goo...
Cold air has less energy than warm air, and the molecules in cold air are packed more tightly together. This results in a greater density for cold... Learn more about this topic: Weather Variables: Air Pressure, Temperature & Density ...
The cold outdoor air is warmed up by the hot extract air thus reducing heat losses. And in the summer the whole arrangement also keeps the heat out! Go to 2:11 So that is how we get a building that can be heated or cooled solely via the fresh air from a ventilation system. That...
英语翻译When the weather is hot,you go to a lake or an ocean.When you are near a lake or an ocean,you feel cool.Why?The sun makes the earth hot,but it cannot make the water very hot.Although the air over the earth becomes hot,the air over the water stays
“shoots” hot or cold water into the food bag with a special gun.He eats the food that come in bite sizes.The astronauts puts a whole piece in his mouth at once.There can be no crumbs(碎屑).Crumbs would float around the spaceship and get in the way.Meat and cake often come in ...
While driving through fog recently, I tried to recall what fog really is and why it occurs. There are varying forms of water, such as liquid, solid and gas, but what is fog? It is actually a low cloud of air condensation, which is water that collects as droplets on a cold surface ...
It was a very cold day and the wind was blowing. But Li Yungang didn’t feel it. He even felt hot. After all, this 14-year-old student from Beijing Jingshan School was cutting grass for three hours. This was the first time this city boy had done any farm work. “It was not that...