
Neon is a gas. It is in the air. You cannot see it. You cannot smell it. But you can trap it in a tube. If you run electricity through the tube, the neon glows.
Photo Credit: Stefano Politi Markovina/Alamy Stock Photos
In the past, some laws kept Black children from going … read more
Summer is a great time to read! Let’s look at … read more
Snow, sweaters, and sleds! The first day of winter is … read more
© 2025 McGraw-Hill Education. All Rights Reserved.