Why do we need punctuation marks?

If you open a book, you’ll see lots of letters that come together to make different words. Sandwiched in between the words are little dots, lines and squiggles called punctuation marks. But why do we need those, when they don’t make any sounds at all? We asked writing teacher Kristin Bauck to help us find the answer.

If you open a book, you’ll see lots of letters that come together to make different words. Sandwiched in between the words are little dots, lines and squiggles called punctuation marks. But why do we need those, when they don’t make any sounds at all? We asked writing teacher Kristin Bauck to help us find the answer.
Got a question that’s right on the mark? Send it to us at BrainsOn.org/contact – we can’t punc-tu-WAIT to help you answer it!

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Smash Boom Best is a debate show for kids and families from the makers of the award-winning podcast, Brains On! Every episode takes two cool things, smashes them together and lets you decide which is best.


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A history show for the whole family! Every episode explores the origin of just one thing — like sandwiches, video games, clocks and more — while teaching listeners to think critically about history.


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Our mission is to encourage kids’ and curious adults’ natural curiosity and wonder using science and history…but there’s no age limit on curiosity, and episodes of Brains On can be enjoyed by anyone.


Why do we need punctuation marks?

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