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 ...

Phosphorous was selected by Mother Nature to be the element responsible for holding together all genetic material. As its phosphate form, it is the basis for life. But a small modification of ...

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 ...