Exploring and Making Use of Space

Since the space race spurred the United States and the Soviet Union to develop better ways of

getting into and exploring space, the world has benefited from an increasing knowledge of Earth,

our solar system, and the universe. Satellites have also helped us to communicate and navigate

around the world.

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The World TodaySection 5: Advances in Science and Technology

Witness History Audio: A Giant Leap for Mankind

Note Taking Transparency 208

Witness History Video: The Space Race

The Computer Revolution

Since the proliferation of the personal computer in the 1970s, people’s lives have been

transformed. Some computer programs and robots replaced human jobs, some programs made

existing jobs much easier, and some saved lives by helping to predict disasters. The Internet

began as a joint effort between the U.S. government and universities. It has made information-

sharing much easier and led to an explosion of electronic commerce.

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The World TodaySection 5: Advances in Science and Technology

Color Transparency 209: Communications Technology, Selected Countries

Witness History Audio: Twentieth Century Scientific Milestones

Advances in Medicine and Biotechnology

Biotechnology and genetic engineering have brought such benefits as longer life expectancies

and increased food production that helps to feed the world. There are also advances that worry

some people, such as genetically modified foods and cloning.

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The World TodaySection 5: Advances in Science and Technology

QuickTake Section Quiz

Progress Monitoring Transparency

QuickTake Chapter Test

The World Today: Section 5Note Taking Transparency 208

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The World Today: Section 5Color Transparency 209: Communications Technology, Selected Countries

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The World Today: Section 5Progress Monitoring Transparency (1 of 2)

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The World Today: Section 5Progress Monitoring Transparency (2 of 2)

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