How do things glow in the dark?
![](https://i.ytimg.com/vi/rkazzQpL62I/mqdefault.jpg)
8:30
How is syrup made?
![](https://i.ytimg.com/vi/5RpAx7WQG-c/mqdefault.jpg)
5:40
How were emojis created?
![](https://i.ytimg.com/vi/NdyldCQFD6I/mqdefault.jpg)
7:34
How can you tell if a mushroom is poisonous?
![](https://i.ytimg.com/vi/jPpsYzlowWU/mqdefault.jpg)
1:07:09
Elementary Science Lessons | Homeschool Pop
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5:45
Magnets for Kids | What is a magnet, and how does it work?
![](https://i.ytimg.com/vi/YfF63xaa6Yo/mqdefault.jpg)
22:46
10 Ways the World Could End (But Don’t Panic!) | COLOSSAL QUESTIONS
![](https://i.ytimg.com/vi/CoYlXslP2R4/mqdefault.jpg)
7:52
How do bats find things in the dark?
![](https://i.ytimg.com/vi/83zcCB5zI5M/mqdefault.jpg)
4:56