What is the author's main purpose for writing this book?-------to entertain-------to inform------to persuade-------to entertain and persuade
What is to inform?
100
What is the first step in a successful mission to Mars?
What is building a spaceship powerful enough to make the journey?
100
In a spaceship, _______ force could be used within a large, rotating section of the ship to create artificial gravity. Otherwise, bad things would happen to an individual's body after living in a zero-gravity environment.
What is centrifugal?
100
lacking vegetation-------This word begins with the letter b.
What is barren?
100
a group of people living in a new territory who maintain relations with their place of orgin-------This word begins with the letter c.
What is colony?
200
If people on a mission to Mars are compatible, they will _______.
What is work together well?
200
This book informed us that NASA is talking about a possible round trip to Mars in about the year of _______.
What is 2033?
200
Why is Mars called the Red Planet?
What is because of reddish iron-rich minerals in its soil.
200
the amount of matter in something, measured on Earth by its weight-------This word begins with the letter m.
What is mass?
200
the pass taken by one object in space circling around another larger object-------This word begins with the letter o.
What is orbit?
300
What is the main idea of the section "Cosmic Radiation Is Bad"?
What is that engineers are studying ways to protect astronauts from radiation on long space journeys?
300
People who want to live on Mars would need to construct a _______ in order to survive.
What is habitat?
300
Mars is a barren planet covered with d_____, d_____, and r_____.
What is dust, dirt, and rocks?
300
the natural force that tends to pull objects toward each other, such as objects being pulled toward the center of the Earth-------This word begins with the letter g.
What is gravity?
300
a structure built to allow people to live in an area where they normally could not, such as beneath the sea-------This word begins with the letter h.
What is habitat?
400
How do scientists plan to solve the problem of zero gravity in the spaceships?
What is by using artificial gravity?
400
What is the effect of Mars being a rocky and dusty land?
What is that equipment can be easily damaged?
400
the state of coexisting or working together without conflict or problems-------This word begins with the letter c.
What is compatibility?
400
to get on a ship, airplane, or other vehicle; to start something new-------This word begins with the letter e.
What is embark?
400
an amazing action or accomplishment-------This word begins with the letter f.
What is feat?
500
How are the Falcon Heavy rocket and the Space Launch System similar?
What is they are both not powerful enough to make a trip to Mars.
500
What is the effect of zero gravity on the body over a long period of time?
What is the muscles shrink and bones weaken?
500
to model or imitate the appearance or condition of something-------This word begins with the letter s.
What is simulate?
500
of or relating to the growing of plants without soil in a water-based solution-------This word begins with the letter h.
What is hydroponic?
500
a powerful and dangerous type of energy released by nuclear reactions-------This word begins with the letter r.