valid
chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
valid: an investigation is valid if it tests what it sets out to test, with only the independent variable changing
chemistry
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
valid: an investigation is valid if it tests what it sets out to test, with only the independent variable changing