Sweat is made of water and salt. When we sweat, we feel thirsty. We need to drink more water! This keeps us cool and safe.
Photo Credit: d3sign/Moment/Getty Images
In the Know
Getting to Know Dolphins
Dolphins make many sounds. They make clicks, whistles, and squeals. … read more
In the Know
Similar but Different: Reptiles and Amphibians
Reptiles are born on land. They have lungs only. They … read more
![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)
In the Know
Celebrating an October Holiday
Other towns and some states don’t have Columbus Day. On … read more