Build your own balance scale

Explore together concepts such as heavy and light, or heavier and lighter, using (unused) face masks.
Ok. You’ll need a clothes hanger too. And the face masks can be replaced with two equal-sized cans with handles if you want.
Hang one face mask on each end of the hanger. Be careful that they hang the same distance from the middle to get an accurate scale.
Then you can start compare different things. You can start by letting the children feel each hand and guess which one is heavier. First perhaps with things that have a little more difference, a raisin and an apple then you can try things closer together.
For a bigger challenge, swap the clothes hanger for a stick and work together to get the empty scale balanced first.

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