Synthetic materials are made from natural resources. Synthetic materials are made by chemically changing the starting substances to create a material with different characteristics. Some examples of ...

A dramatic shift is taking place in industries everywhere: We have left behind a century dominated by increasing efficiency and are now living in an always-changing environment. Operating a business ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Change is inevitable. If we are breathing, we are changing. This is just how life is – all of us are affected by change and time. The seasons change, spring to summer and fall to winter. Trees and ...