
This young scientist is looking at a leaf. He is using a tool to observe the leaf. He is using a magnifying glass. He can also observe the leaf by touching it.
Photo Credit: Imgorthand/E+/Getty Images
Ice pops start as a liquid. Juice is a liquid. … read more
Countries help each other during disasters. They donate money. They … read more
The National Weather Service issues tornado alerts. Your family can … read more
© 2026 McGraw-Hill Education. All Rights Reserved.