What Is an Ice Age?
Did you know that we are in an ice age right now? It’s true! An ice age is a long period of time when Earth’s temperatures are colder and ice covers much of the land. … Read more
Did you know that we are in an ice age right now? It’s true! An ice age is a long period of time when Earth’s temperatures are colder and ice covers much of the land. … Read more
How would you describe Earth’s shape? Most would say it is round or shaped like a ball. But experts describe its shape as a “lumpy potato.” It is flatter at the poles and wider in … Read more
Today, four of the nine justices in the US Supreme Court are women. It wasn’t always that way. Before 1981, no women had been on the US Supreme Court. Then, Sandra Day O’Connor changed all … Read more
The night sky is black. Then, beautiful colors appear. They are green. They are red. They are purple. They do not look like anything you’ve seen on Earth before. It is the aurora borealis [uh·raw·ruh baw·ree·a·luhs]. … Read more
The winter solstice is the shortest day of the year. Throughout the day, it does not look as though the sun is moving across the sky. In ancient times, people believed that the sun was … Read more
Gabe Amo has started a new job. On November 7, 2023, he was the first African American from Rhode Island to be elected to the US House of Representatives. As you may know, congressional elections … Read more
© 2025 McGraw-Hill Education. All Rights Reserved.