24. 〃 The Meaning of Heavy and Light—Specific Gravity 33

25. 〃 Things of greater Specific Gravity than Water sink in

Water; Things of less Specific Gravity float 34

26. 〃 A Body which Floats in Water always occupies as much

Space beneath the level of the Surface of the Water

as is equal to the Volume of Water which weighs as

much as that Body; in other words, it displaces its

own Weight of Water 36

Science Primers, Introductory · 第 25 / 86 题