
This big pile is road salt. It’s not like salt we put on food. Cities put salt on roads before snow falls. Salt keeps ice from forming. Salt can melt new ice, too.
Photo Credit: Burlingham/Shutterstock
Ruby Bridges and Barack Obama Ruby Bridges and Barack Obama … read more
Summer is a great time to find new places to … read more
Sometimes a lot of meteors happen in one night. These … read more
© 2026 McGraw-Hill Education. All Rights Reserved.