©2017 McGraw-Hill Education. All Rights Reserved.
Ever since she was a child, Wanda Díaz-Merced knew she wanted to be a scientist. While growing up in a small town in Puerto Rico, she and her sister took imaginary trips to faraway galaxies. … Read more
In the last year, students learned in many different places! Some learned remotely, while others were in their school buildings for all or part of the time. As we go back to school this fall, … Read more
Skyscrapers are impressive buildings, soaring into the sky. Many people can live and work in one place, which makes many believe that skyscrapers are good for the environment. But tall buildings need a lot of … Read more
There is so much to learn about the behaviors of the magical monarch butterfly. These unique insects travel thousands of miles south each year, mostly from Canada and the United States to Mexico. They have one of the most … Read more
On September 11, 2001, the United States suffered the worst terrorist attack in history. Members of an terrorist group called al-Qaeda hijacked three airplanes. They crashed the planes into the Pentagon outside of Washington, D.C., … Read more
How do scientists prepare for life on other planets? They hike deep into a mountain’s lava tubes. Lava tubes might hold the key to future life on the Moon and Mars! Lave tubes are long empty spaces created by lava … Read more
©2017 McGraw-Hill Education. All Rights Reserved.