Unit 4 Exam Review

What are the main components of a jet engine?

• Air inlet, motor, piston, turbine, and exhaust

• Compressor, piston, fuel injector, turbine, and exhaust

• Intake, compressor, combustor, turbine, and exhaust

• Intake, vacuum chamber, fuel injector, compressor, and turbine

The part of the “stack” of the space transport system that looks most like an airplane is called the (a)   .

• orbiter

• external tank

• capsule

• rocket

Skylab, the United States’ first space station, was used to ​ (a)   .

• conduct research on and collect samples from the moon

• serve as a base to launch missions to Mars

• perform medical examinations and observe Earth

Fill in the blank: The first American astronaut who flew to space was (a)   .

• Wernher von Braun

• Neil Armstrong

• Alan Shepard

• Katherine Johnson

The first jet engines were built (a)   .

• to allow civilians to fly across the ocean

• to determine if a propeller was needed

• to break the sound barrier

• for use on military aircraft

What was one reason the Soviet Union’s launch of Sputnik in 1957 sparked the United States to want to become number one in space exploration?

• The United States was afraid that the Soviet Union was spying.

• The United States wanted to use a satellite to take images of the Soviet Union.

• The Soviet Union was using their satellite to block United States communications.

• The Soviet Union wanted to establish a colony in space.

Why did the US Congress establish NASA in 1958?

• Because the Soviet Union was planning to go to the moon

• To put emphasis on winning the “space race” against the Soviet Union

• Because additional regulation was needed to protect astronauts

• To help protect the United States from the possibility of ground invasion

What was the purpose of NASA’s Mercury and Gemini missions in the 1950s and 1960s?

• They began the search for extraterrestrial life.

• They allowed NASA to test ways to weaponize space.

• They acted as stepping-stones to landing on the Moon.

• They sent the initial pieces of the space station into orbit.

What event ended the Space Race?

• Neil Armstrong became the first man on the Moon on July 20, 1969.

• Sputnik I achieved orbit on October 4, 1957.

• Yuri Gagarin became the first man in space on April 12, 1961.

• Apollo 8 became the first mission to orbit the Moon on December 24, 1968.

NACA hired five female “computers” in 1935 to ______.

• do basic math that was easy, yet time consuming

• develop new algorithms for important calculations

• build software that would assist NACA with improving their technology

• perform complex calculations so NACA engineers could focus on research