Tag Archives for: "Gravity"

LSOP: Invisible Forces, March 5, 2021

By request from a local school: Invisible Forces! You can’t see gravity—but you can certainly see its effects. And it works at a distance—you don’t need to be in contact with the earth to feel its pull. We say that the earth has a gravitational field around it—and if you are in the field, you […]

Read More


LSOP Live: Force and Motion, November 6, 2020

You know how when you go over the first big hill on a roller coaster, it feels like your stomach rises up? That’s because it does…. We have a great demonstration to show this, as well as some things that look like magic. Can you pull a tablecloth out from under glasses on a table? [...]

Read More


Show Me Some Science! Forces and Falling

In this episode, we look at different objects in free fall. When you drop an object from a high height, and it is in the air, there are no forces acting on it other than gravity. This is called free fall. Can objects fall faster than free fall? It turns out an outstretched slinky can, because of the force of the bottom pulling the top down!

Read More