A laser is a thin beam of light. People use lasers all the time. You may have a laser at home. A DVD player uses a laser to read a DVD. A cashier uses a laser to read bar codes.
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![Members of the Redbone Singers drumming group answered student's questions during an activity portion of St. Paul's first official Indigenous Peoples Day at American Indian Magnet School in St. Paul, Minn., on Monday, October 12, 2015. ]](https://k-5impactnewsgk-1.mheducation.com/wp-content/uploads/2018/09/OCT_GK1_012P.jpg)
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Celebrating an October Holiday
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