Question 1

The word colossalin paragraph 1 means very —

Accepted Answer

very tall

Answer

verywide

Answer

curved

Answer

round

Question 2

Which sentence from the selection supports the idea that a space elevator can be built?

Accepted Answer

NASA says the basic concept of a space elevator is sound, and researchers around the world are optimistic that one can be built.

Answer

For more than half a century, rockets have been the only way to go to space.

Answer

The idea for a space elevator was first dreamed up in 1895 by a Russian scientist who did pioneering work in rocketry.

Answer

The steel tether to be used in the experiment is too heavy to be used as a full- sizeds pace elevator, which must, of course, extend for tens of thousands of miles.

Question 3

How would a space elevator change space travel for people?

Accepted Answer

It would allow most people to go into space instead of just astronauts.

Answer

A space elevator would make traveling around the world much easier.

Answer

A space elevator would allow people to claim that they own parts of space.

Answer

A space elevator would allow people to claim that they own parts of space.

Question 4

A space elevator would change sending “things” into orbit by—

Accepted Answer

lowering the cost of moving things from the ground into orbit

Answer

allowing companies to move very heavy things into orbit

Answer

Requiring companies to keep records of what goes into space

Answer

helping banks keep gold and money in the safest possible place

Question 5

The author organizes paragraph 4 by —

Accepted Answer

Explaining how a space elevator would work.

Answer

Describing the challenges of space travel.

Answer

Showing how the space elevator was invented.

Answer

comparing space elevators to those on earth

Question 6

Scientists are excited about graphene because it is —

Accepted Answer

Strong enough to serve as the tether for a space elevator.

Answer

Many times stronger than steel and cannot ever break.

Answer

Much less expensive to produce than steel currently is

Answer

only made in the U.S., so the U.S. can make money from it

Question 7

The author organizes paragraph 5 by —

Accepted Answer

Explaining what scientists will learn from the ISS experiment.

Answer

Describing how engineers will manufacture a graphene tether

Answer

Comparing the strength of steel to the strength of graphene

Answer

Showing how cameras are the key to building a space elevator

Question 8

Based on the selection, the reader can conclude that—

Accepted Answer

It will take many years to complete the building of a space elevator.

Answer

The high cost of a space elevator may make it difficult to build one.

Answer

Most countries have the technology to build a space elevator.

Answer

The tether for a space elevator will have to be made from steel.

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