Science/ research and innovation (Easy) Quiz Home โบ IELTS โบ IELTS English Vocabulary โบ Science/ research and innovation (Easy) ๐ IELTS – English Vocabulary – Science/ research and innovation – Easy 20 questions ยท 15 min timer ยท Explanations included ยท Free 1. What is the significance of 'variables' in an experiment? They can affect the outcome They are always controlled They remain constant They are irrelevant None 1 out of 19 2. What is a 'control group' in scientific experiments? A group that is ignored A group used for comparison A group with no variables A group that receives the treatment None 2 out of 19 Loading questions... 3 out of 19 Loading questions... 4 out of 19 Loading questions... 5 out of 19 Loading questions... 6 out of 19 Loading questions... 7 out of 19 Loading questions... 8 out of 19 Loading questions... 9 out of 19 Loading questions... 10 out of 19 Loading questions... 11 out of 19 Loading questions... 12 out of 19 Loading questions... 13 out of 19 Loading questions... 14 out of 19 Loading questions... 15 out of 19 Loading questions... 16 out of 19 Loading questions... 17 out of 19 Loading questions... 18 out of 19 Loading questions... 19 out of 19 Click Submit to see your final score! Previous Start Quiz Next Time's up