How Scientists Work Flashcards
1
Q
The idea that life can arise from non living matter
A
Spontaneous generation
2
Q
What was Francesco Reid’s hypothesis about the appearance of the maggots?
A
Flies produce maggots
3
Q
Controlled experiment
A
The experimental element which is constant or unchanged throughout the course of the investigation.
4
Q
IV and DV
A
IV- variable is deliberately changed
DV- observed and changes in response to IV
5
Q
A theory in science
A
As evidence from numerous investigations builds up, a particular hypothesis may become so well supported that scientists consider it a theory.
6
Q
A theory must be _____ or ______ by a more useful explanation
A
Revised or replaced