The Materials that Make Up Christmas Ornaments As we take out our boxes of Christmas decorations and decorate our homes, we need to realize how much science goes into the materials that create our favorite ornaments. Glass ornaments, for example, are made by hand-blowing glass into molds or by hand. This process may seem simple but requires skill and precision to create perfectly round and uniform ornaments. Plastic ornaments, on the other hand, are made by injecting plastic into a mold. This process allows for intricate designs and details, so plastic ornaments often come in various shapes and sizes. Plastic ornaments are also more durable and less likely to break…