
The South Pole is at the bottom of the Earth. It is in a place called Antarctica. It is very cold and icy. In the summer, the sun shines all day. But in winter, you never see the sun at all!
Photo Credit: gary yim/Shutterstock
Research means to look closely at a subject. You can … read more
Mammals use moisture to cool off when they are hot. … read more
Amphibians live part of their lives in water. Adults lay … read more
© 2025 McGraw-Hill Education. All Rights Reserved.