
These students are using a tool. It is called a magnifying glass. Magnify means to make things look bigger. This tool helps us see things. Things we cannot see with our eyes alone.
Photo Credit: FatCamera/E+/Getty Images
Some animals take long naps. Hibernation is when animals sleep … read more
December 10 is Jane Addams Day. Why was Jane Addams … read more
Summer vacation is coming! Let’s take a look at some … read more
© 2026 McGraw-Hill Education. All Rights Reserved.