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challenge words
100
to wrap in a cloth for protection warmth or secrecy
What is muffle
100
the act of cutting or carving
What is incision
100
to cover completely in liquid
What is immerse
100
smoke vapor or gas
What is fume
100
to approve or permit
What is authorize
200
facts or proof
What is evidence
200
a solid or hallow object with a shape of a tube
What is cylinder
200
to stop from burning to put out
What is extinguish
200
a person or thing that is identical
What is clone
200
to fill with terror
What is terrorize
300
the study of living things
What is biology
300
an instrument for measuring the pressure of air
What is barometer
300
the central part of a cell
What is nucleus
300
an object used to investigate
What is probe
300
to put into a trance
What is hypnotize
400
rate of manufacturing or creating
What is productivity
400
one who sees what is true or actual
What is realist
400
to purify
What is refine
400
the act of fighting against or opposing
What is resistance
400
to identify or know something
What is recognize
500
to make a major change in
What is revolutionize
500
to install a metal bolt or pin
What is rivet
500
to break open or burst
What is rupture
500
a sample or a part of a group
What is specimen
500
to equip with machinery
What is mechanize
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