Grouping Materials: From Gold to Wool (Science Answers)

Why are there so many different materials? What is pulp? What materials can we find in the ground? Investigate the world of physical science! Find out for yourself how to group materials through experiments that you can do at home. Learn how to decide which materials are better to use in certain situations? Find out how important materials from animals and plants are to your daily activities. Grouping Materials will show you the importance of investigating and understanding the physical world around you.