© 2026 McGraw-Hill Education. All Rights Reserved.
A migration is the seasonal movement of a group of animals from one place to another. Which animal holds the record for longest migration? The arctic tern. These birds fly up to 96,000 km (almost … Read more
This rock arch is called the Landscape Arch. It is in Arches National Park in Utah. The Landscape Arch is the longest natural rock arch in North America. It is over 290 feet long! Arches … Read more
You may have heard or read about El Niño in a weather report. El Niño causes changes in weather. But what is El Niño? To answer this, first we have to talk about what happens … Read more
On August 26, 2026, a massive flood occurred on the border of Nepal and Tibet. Villages were buried under mud and debris [waste or parts of material that are broken or left over]. Schools were … Read more
© 2026 McGraw-Hill Education. All Rights Reserved.