class 7 science chapter 11 mcq

31 The way that was followed by scientists is called 1. enlightenment method 2. questioning method 3. scientific method 4. supportive method

30 " The theory of gravitation " was discovered by 1. einstein 2. newton 3. Aristotle 4. galileo

29 " History of science " was written by 1. Robert hook 2. f. cojori 3. newton 4. Copernicus

28 Heliocentric theory was proposed by 1. Albert einstein 2. Robert clins 3. Copernicus 4. f.cojori