
Some animals take long naps. Hibernation is when animals sleep for a long time during winter. Groundhogs hibernate. They dig deep burrows under the ground. They stay safe and warm in their burrows.
Photo Credit: Brian E Kushner/Shutterstock
Sometimes people lose an arm or a leg. It might … read more
Black History Month is in February. It is a time … read more
In December, there is a special day. It’s the International … read more
© 2026 McGraw-Hill Education. All Rights Reserved.