Sweat has an important job. It keeps us from getting too hot. Sweat comes out of tiny holes in our skin. When sweat meets the air, it cools us down.
Photo Credit: Shutterstock/puhhha
Broken crayons are hard to hold. Cassidy Goldstein had an … read more
World Wildlife Day is March 3. It’s a day to … read more
Computer programming is called coding. Coding is writing instructions for … read more
© 2025 McGraw-Hill Education. All Rights Reserved.