What’s the matter?

In July I drew up a few goodies for Kids Discover Matter. This one dealt with with a new type of liquid that is being used as body armor. It supposedly stays in a liquid form until something strikes it, then instantly hardens, then just as quickly turns back into a liquid.

In that same issue we talk about how your weight can change due to gravity (say, Earth vs. Moon) but your mass will still be the same.

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