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100

a person trained to travel in a spacecraft

what is an astronaut? 

100

to make someone or something known to someone else; to present or announce

what is introduce?

100

a small space object made up of rock and metal that moves around the sun

what is an asteroid?
100

the possibility of something bad happening as a result of an action

what is risk?

200

the feeling that you understand and share another person’s experiences and emotions

what is empathy?
200

showing little or no emotion

what is apathetic? 

200

a result or effect of an earlier event

what is consequence?

200

someone who has exceptional intellectual ability and originality

what is genius?

300

a doctor or expert who specializes in the causes and effects of diseases

what is a pathologist?

300

a feeling of understanding or concern for the condition of another person

what is sympathy?

300

to conclude by reasoning

what is deduce?

300

to put in motion or start; to cause a reaction

what is trigger?

400

a reason or driving force behind an action

what is impetus?

400

to stop growing or changing

what is stagnate?

400

to bring about; to cause something to happen

what is induce?

400

a star-shaped character (*) used in printing

what is an asterisk?

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