Construction materials have evolved in great ways over the years. Instead of using asbestos when building, people now use recycled materials. Construction materials are important to our safety because they're what hold the industrial world together.
There are at least 10 types of insulation commonly used to keep your house warm. Using the right insulation can save you lots of money on your energy bill, especially if you live in an extreme climate. Take our quiz and find out how much you know about the different types of insulation and their properties.