
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
Flamingos live in warm areas near water. They have curved … read more
It’s the Fourth of July! Let’s learn about why and … read more
Storms bring thunder and lightning. They can also bring strong … read more
© 2025 McGraw-Hill Education. All Rights Reserved.