Video: Choosing a Suitable Unit for the Mass of an Object

Which unit is best to measure the mass of a toothbrush? [A] grams [B] kilograms.

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Video Transcript

Which unit is best to measure the mass of a toothbrush, grams or kilograms?

Lots of things weigh a gram, like a paperclip. A kilogram is 1000 grams. Lots of things weigh kilograms, like a large pumpkin.

So which unit would be best to measure the mass or weight of a toothbrush? Since a toothbrush weighs between 15 and 20 grams, grams would be the best unit to measure the mass of a toothbrush.

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