One
Two
Three
Four
100

the holding of an office or giving someone permanent post like a teacher or professor 

Tenure

100

person who is trained to travel in space craft

astronaut 

100

causing one to feel unsettled

disconcerting 

100

a new method, idea or product

innovation 

200

a person who expresses an unfavorable opinion of something. 

Critic

200

including or covering all the, facilities or items normally expected or required 

inclusive 

200

taking surprisingly bold risks

audacious 

200

tendency of unpredictable behavior or erratic changes of mood

instability 

300

the practice of persuading someone to do something by using force or threats. 

Coercion 

300

appropriate place or domain for one's own use

colonize 

300

a work of music, literature or art. 

composition 

300

the act of delaying or post 

procrastination 

400

unpleasant feelings or physical sensation come upon someone suddenly and strongly. 

Assailed 

400

relating to or belonging to a planet or planets 

planetary 

400

persuade someone to do something by coaxing or flattery 

cajoling 

400

scientists who study how objects in space behave

astrophysicists 

500

an infectious bacterial disease characterized by growth of nodules in the tissues of the lungs. 

Tuberculosis 

500

occurring or situated between starts 

interstellar 

500

on purpose; done intentionally. 

deliberate 

500

concerned with or seeking to promote human welfare 

humanitarian 

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