Unit E Chapter 2

What are the key concepts you will learn about in this section?

• Technologies for space exploration

• Life support technologies

• Communication technologies

• All of the above

One major challenge of exploring space is:

• The vast distances between objects

• The abundance of oxygen

• The ease of communication

• The low cost of travel

Which of the following is NOT a challenge of space exploration?

• A) Achieving orbit or breaking free of Earth's gravity

• B) Keeping equipment operating in extreme environments

• C) Finding new planets to live on

• D) Transporting people and equipment out and back safely

Fill in the blank: Scientists have used ______ and technologists have used ______ in searching for solutions to the problems of space exploration.

• science, technology

• technology, science

• mathematics, engineering

• philosophy, mathematics

In regards to "Rocket Science", what was the first step in space exploration?

• Figuring out a way to get off the planet.

• Building a space station on the moon.

• Inventing the telescope.

• Sending animals into space.

On September 29, 1962, which country became the third nation in the world to launch its own satellite, Alouette I?

• Canada

• Australia

• Italy

• Japan

What are the three basic parts of a rocket?

• Structural and mechanical elements, fuel, and payload

• Engine, wings, and wheels

• Oxygen, hydrogen, and nitrogen

• Cabin, fins, and propeller

The section where the fuel is burned to produce thrust is called the _______.

• combustion chamber

• payload bay

• nose cone

• fin

Rockets use gas under pressure confined in a chamber or tank to produce thrust.

• True

• False

Match the following rocket parts to their functions:

• Oxidizer

• Provides oxygen for burning fuel

• Payload

• Carries materials needed for the flight

• Combustion Chamber

• Where fuel is burned to produce thrust

• Nozzle

• Directs the exhaust gases to produce thrust