So, what would happen if you dropped a hammer and a feather …
So, what would happen if you dropped a hammer and a feather at the same time, from the same height? Well, the hammer would hit the ground first, right? But why? You might think it's because the hammer is heavier, or has more mass than the feather. But it's actually not because of that at all. In this episode of Crash Course Kids, Sabrina shows us that the rate at which things fall to Earth has to do with something called air resistance.
So, if gravity pulls everything down, then why don't things on the …
So, if gravity pulls everything down, then why don't things on the bottom of the Earth get pulled down into space? In this episode of Crash Course Kids, Sabrina talks about gravity and explains that when we talk about gravity pulling things down, what we really mean is gravity is pulling things TOWARD the Earth. Really, it's all about attraction.
Do you know how many people have been to the moon? Only …
Do you know how many people have been to the moon? Only 12! Part of the reason it's so few is because of how difficult it is to escape Earth and get into space in the first place. In this episode of Crash Course Kids, Sabrina talks about gravity, escape velocity, and how gravity works between two objects.
Do you want to be an astronaut? Would you like to someday …
Do you want to be an astronaut? Would you like to someday walk on the moon? Well, you better learn a little about gravity so you can escape from Earth and head into space. In this video, Sabrina chats with us about what it takes to get to the moon!
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