Using Text Features

Which part of the article best describes modern attempts to find life beyond earth?

• A. The Search for Extra Terrestrial Life
• B. The graphic showing the radio telescopes.
• C. The caption An Array of Radio Telescopes Pointing Skyward
• D. The paragraph subtitled SETI.

Where can the reader find information about how scientists are able to look into space?

• F. The title
• G. Cosmic Distance
• H. Organisms and Aliens
• J. The picture of radio telescopes.

The reader can tell that the crackle and buzz of radio static in paragraph 4 refers to -

• A. The sound of an alien radio message to our scientists on earth
• B. single-celled organisms living in a far away sea
• C. the normal sound scientists hear from radio telescopes
• D. an old fashioned radio show about an alien invasion

The image included with the selection best helps the reader visualize the information from which sentence in the article?

• F. People have long wondered about life on other planets.
• G. Over a hundred years ago, when radio was new, Nikola Tesla used a radio antenna to listen for signals from space.
• H. Telescopes let astronomers see light.
• J. Today, huge arrays, or groups, of radio telescopes in California, New Mexico, Chile, Europe and Australia are connected to powerful computers.

Which part of the article best gives the main idea of the selection?

• A. The title
• B. Cosmic Distance
• C. The radio telescope's graphic
• D. The caption beneath the graphic