
Have you ever played with a glow stick? You bend the plastic stick. You hear snaps. You hear crunching. Then, it glows! It’s like magic. But it isn’t magic. It’s science!
Photo Credit: Justin Joyce (joocer)/Getty Images
September 15th to October 15th is Hispanic Heritage Month. Hispanic-Americans … read more
Black History Month is in February. It is a time … read more
A laser is a thin beam of light. People use lasers … read more
© 2025 McGraw-Hill Education. All Rights Reserved.