Social Studies Grade 4 v2

Week 16 of 32 • Page 3

Manufacturing Manufacturing is the business of using raw materials to make products or goods to sell. There are many types of manufacturing companies. Some examples of manufactured products are cars, computers, toys, and soft drinks. Some manufacturing products are made from natural resources. Others are made from human- made resources. People often work in factories to manufacture goods. They work together to make products for consumers to purchase. Workers depend on each other. They need to do their job well so the product is made correctly. One type of manufacturing is the automobile industry. To build an automobile, workers must assemble over 15,000 manufactured parts! This is done quickly and efficiently through Life Sciences Life science is a growing sector of the U.S. economy. This field, which is also referred to as the biotech industry, includes finding new ways to prevent and treat diseases, as well as designing and manufacturing medical equipment and devices. Life science companies continue to experiment, learn, and grow while helping people in many ways. The United States is a world leader in medical research and development. Research and development is the process companies use to gain new knowledge to make or improve goods and services. The purpose of research and development is to expand human understanding in a way that benefits people and the economy. There are 7,500 biotech companies in the United States that conduct research and develop products to make life easier. The United States is one of the leading countries in pharmaceutical research and development in the world. Many major medical companies have facilities in the United States, including HCA Healthcare, Mayo Clinic, Johnson & Johnson, and Pfizer Inc. Scientists and doctors at Mayo Clinic are researching and developing new ways to treat cancer, brain conditions, and other diseases. Thousands of universities in the United States have advanced research and development facilities. Research and products developed in the U.S. life science sector help millions of people each year.

an assembly line. An assembly line is a way of putting together a product in a factory by moving it along a line of workers. Each worker adds or adjusts a part until the product is finished. Once production is complete, automobiles are tested for safety. This is done before sending them to businesses where consumers can purchase them. Some products are made with parts from other countries. For example, a car plant makes cars. However, it may get a lot of parts from overseas. Parts like the car battery or the car tires could be made in another country, such as China. These parts are shipped to the U.S. to be manufactured into a car you can drive. This is known as importing. The batteries and tires are imports. The car factory in America uses them to manufacture cars.

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