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Areas of Study

3. Is the following sentence true or false? The boundaries between the five areas of chemistry are not firm. 4. Read each goal and complete the table by filling in one of the five main areas of chemistry.

Investigating ways to slow down the rusting of steel Developing a better insulin-delivery system for diabetics Determining the amount of mercury present in a soil sample Comparing the hardness of copper and silver Developing a new carbon-based fiber for clothing

Big Ideas in Chemistry 5. Another name for a “big idea” is . 6. What are the eight “big ideas” listed in the lesson? a. e. b. f. c. g. d. h.

1.2 Chemistry and You

Essential Understanding The study of chemistry is useful in many areas of life. Reading Strategy Table A table helps you organize lesson information. Write “Chemistry and Me” above the table on the following page. In the Section column, write the section titles that appear in red in your book. In the Take Aways column, summarize in your own words the information that is in each section. In the Details column, add details to help you understand how chemistry connects with your life. An example has been provided.

As you read Lesson 1.2, fill in the table on the next page to help you understand how chemistry is all around you.

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Section Take Aways Details

Why Study Chemistry? 3 reasons: • explain natural world • Chemical reactions are everywhere (eggs frying, apples spoiling) • • • •

Lesson Summary Why Study Chemistry? Chemistry helps people understand the world around them. Chemistry explains things in the natural world. Many careers use chemistry. Informed citizens need a knowledge of chemistry.

Chemistry, Technology, and Society Research in chemistry brings about advances in many areas. Chemists use technology to develop new materials that are better for the environment. Scientists who understand chemistry develop new energy sources and medical breakthroughs. Chemists study matter from objects in space to expand our knowledge of the universe.

Role of Chemistry in Technology and Society

Chemistry and technology Examples Materials and the Make new, improved materials while Plastics environment conserving resources and protecting the environment Energy Produce and conserve energy Hybrid cars; solar energy technology Medicine and Supply medicines, materials, and Prescription and OTC biotechnology technology that doctors use to treat their (over-the-counter) patients; work to understand chemical medications; artificial hips changes in the body and knees

The universe Study data from space and use earth- Analysis of moon rocks based chemistry to understand objects and soil from Mars in outer space 3 Name Class Date

After reading Lesson 1.2, answer the following questions. Why Study Chemistry? 1. What will knowledge of chemistry enable you to do? a.

2. List three careers that require some knowledge of chemistry.

Chemistry, Technology, and Society 3. What is technology?

4. What are some problems that chemists must consider when developing new technologies?

5. List two ways that chemists can help to meet the demand for energy. a.

6. What is the role of chemistry in the development of medicines?

7. List three new materials chemists have developed that have medical applications. a.

8. The field that applies science to the production of biological products is . 9. Scientists can learn about the chemical composition of stars by analyzing the they transmit to Earth. 10. Why won’t the method used to discover the chemical composition of stars work for the moon and planets?

11. What did chemists learn about the moon’s surface by analyzing moon rocks?