The Basics of Freshwater: Crash Course Kids 14.1
4:16
YouTubeCrash Course Kids
The Basics of Freshwater: Crash Course Kids 14.1
We have a lot of water on Earth, but we also can't actually drink much of it... or use it for farming. That's because most of the water on Earth is saltwater. We humans, like a lot of living things, need freshwater to survive. In this episode of Crash Course Kids, Sabrina talks about the difference between freshwater and saltwater and why ...
已浏览 103.6万 次2015年6月9日
Fire hydrant Types
First moments of deadly Swiss fire
0:10
First moments of deadly Swiss fire
YouTubeBBC News
已浏览 46.9万 次2 天之前
Swiss bar fire witnesses recount blaze
0:59
Swiss bar fire witnesses recount blaze
YouTubeCNN
已浏览 1.6万 次1 天前
How the Swiss club fire tragedy unfolded
2:32
How the Swiss club fire tragedy unfolded
YouTubeCNN
已浏览 16.2万 次1 天前
热门视频
The water (hydrologic) cycle
2:16
The water (hydrologic) cycle
YouTubeMooMooMath and Science
已浏览 37.1万 次2018年10月28日
Water Water Everywhere | Learn All About Water For Kids
8:51
Water Water Everywhere | Learn All About Water For Kids
YouTubeLearn Bright
已浏览 49.8万 次2021年11月30日
Unique Earth: The Essence of Water | Full Documentary
52:00
Unique Earth: The Essence of Water | Full Documentary
YouTubespace and science
已浏览 234.8万 次2022年12月9日
Fire hydrant History
Swiss fire witnesses describe very narrow staircase and sparklers
1:39
Swiss fire witnesses describe very narrow staircase and sparklers
YouTubeCNN
已浏览 1.6万 次2 天之前
Swiss officials rush to identify ski resort fire victims
1:05
Swiss officials rush to identify ski resort fire victims
YouTubeCNN
已浏览 7251 次2 天之前
Mourners held a vigil Thursday for victims of a fire that ripped through a popular bar in a resort town in the Swiss Alps early on New Year's Day. Around 40 people were killed and 115 others were injured, police said in the fire. #switzerland #news #abcnews
0:32
Mourners held a vigil Thursday for victims of a fire that ripped through a popular bar in a resort town in the Swiss Alps early on New Year's Day. Around 40 people were killed and 115 others were injured, police said in the fire. #switzerland #news #abcnews
TikTokabcnews
已浏览 220万 次2 天之前