(A): These are pieces of discrete information sustained through evidence - observation and measurement. (B): There are derived from generalization of observations and experiences. Which one of the following is correct?
(A) is about facts and (B) is about concepts
Statement (A) describes discrete pieces of information supported directly by evidence such as observation and measurement — this is the definition of a fact in science, since facts are specific, verifiable data points.
Statement (B) describes something derived from generalizing across many observations and experiences — this is the definition of a concept in science, since concepts are broader mental generalizations built up from many facts.
Hence, (A) is about facts and (B) is about concepts.
Which of the following is not true about a model?
S1: Scientific knowledge is value neutral.
S2: Nuclear energy is used for making nuclear bombs.
Which one of the following is correct?
(A): Magnetic force can be attractive or repulsive in nature.
(B): The closer a piece of iron is to a magnet, the stronger is the attraction.
Which one of the following is correct?
From the following, identify the statement that is true about science.
What involves two cell divisions during which the chromosome number is halved?
In which stage, science should be introduced as separate disciplines with emphasis on experiments / technology and problem solving?
In which year did E. L. Thorndike develop the theory of trial and error learning?
Under which organisation's aided project did NCERT develop an instructional material titled "Science is Doing"?