
Some sites are made by people. This is Big Tex Rex. Big Tex Rex is in Amarillo, Texas. It is another site on Route 66.
Photo Credit: McGraw Hill
Have you noticed rows of white metal objects like the picture above? While they don’t look like the old-fashioned wooden windmills of storybooks, these are windmills. More and more windmills are being used to produce … Read more
Earth is worth celebrating. It’s the only planet we can call home! Earth is not too hot and not too cold. One thing that keeps Earth from getting too cold is its atmosphere [layer of … Read more
You may not realize it, but autism is pretty common. In fact, you may know someone with it. The twelfth annual World Autism Awareness Day will take place on April 2, 2019. Its purpose is … Read more
© 2026 McGraw-Hill Education. All Rights Reserved.