Try It

Use what you learned about the parts of a well-written explanation to write one of your own based on the NASA article July 20, 1969: One Giant Leap For Mankindopens in new window. Take a moment to read the full article to get an idea of what the article is about.

Next, reread the first three paragraphs, and then answer the questions below.

1 July 1969.  It's a little over eight years since the flights of Gagarin and Shepard, followed quickly by President Kennedy's challenge to put a man on the moon before the decade is out.

2 It is only seven months since NASA's made a bold decision to send Apollo 8 all the way to the moon on the first manned flight of the massive Saturn V rocket.

3 Now, on the morning of July 16, Apollo 11 astronauts Neil Armstrong, Buzz Aldrin and Michael Collins sit atop another Saturn V at Launch Complex 39A at the Kennedy Space Center. The three-stage 363-foot rocket will use its 7.5 million pounds of thrust to propel them into space and into history.

- NASAopens in new window, July 14, 2014