Crossword puzzle clue "science fiction staple"

Here are the possible solutions for science fiction staple clue

Answer
Clue
Relevancy
isaac
Clue
First name in science or science fiction
alienliifeform
Clue
Science fiction staple
petri
Clue
Dish in a lab used for examining cultures (those are science terms for those who haven't studied science)
Definition
as in petri dish, a shallow glass dish with an overlapping cover used for cultures of bacteria
adastra
Clue
Annual science fiction convention held in Toronto
aliens
Clue
Science-fiction characters
Science fiction staples
Science fiction characters
Definition
ALIEN, to alienate
alteredstates
Clue
What science fiction movie do taxes and amine bring to mind?

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