B1 – Intermediate
A space elevator is an idea for a structure designed to transport material from Earth into space. This concept involves a tall tower reaching from the surface into space, with a counterweight at the top and a cable extending down to the surface.
The idea of a space elevator has captured the imagination of scientists and engineers for decades, offering a potential solution for more cost-effective and efficient access to space.
Listen to this audio and read the transcript about space elevators.
https://www.newsinlevels.com/products/space-elevator-level-2/
Vocabulary Questions:
- What does “lift off” mean? “They need a lot of fuel to lift off. It costs millions of dollars to get to the Moon or Mars.” Give two (2) synonyms or similar expressions and use the phrase verb ‘lift off’ in your own sentence.
- What does “orbit” mean? “This material is stronger than any other material, but even if it was possible to build the elevator, small objects which orbit the Earth would probably damage it.” Give two (2) synonyms or similar expressions and use the verb ‘orbit’ in your own sentence.
- Explain what a “nanotube” is. “Experts came up with the idea of using carbon nanotubes.” Use it in a sentence.
Discussion Questions:
- What are the advantages and disadvantages of a space elevator?
- Why is building a space elevator difficult?
- How might a space elevator change the dynamics of space exploration and commercialization? Explain.
- How could a space elevator change the way we think about space travel and human presence in space? Elaborate.