NGSS MS PS1-3 Synthetic Materials PowerPointMAIN IDEA- Natural resources undergo a chemical process to form synthetic materials. Examples of new materials could include new medicine, foods, plastic grass, and alternative fuels. PS1.A: Structure and Properties of Matter Each pure substance has characteristic physical and chemical properties (for any bulk quantity under given conditions) that can be used to identify it.Ex.) Silver-Malleable, luster, conductive, melting point, nonflammable, etc.PS1