
Glass is melted in a furnace. The furnace is very hot—hotter than lava! Glassblowers place a long metal pipe into the furnace. They roll it to get the glass out of the furnace.
Photo Credit: kaca kaca/Shutterstock
Wyoming is known as “The Equality State.” Nellie Tayloe Ross … read more
The Northern Lights happen in the far north. Winter nights … read more
Many people are working from home now. Many students are … read more
© 2026 McGraw-Hill Education. All Rights Reserved.