Muslim boys, once regarded as passive, hard working and law-abiding, have been recast in the public imagination in recent years. Now the stereotypical image is of volatile, aggressive hotheads who are in danger of being brainwashed into terrorism, or of would-be gangsters who are creating no-go areas in English towns and cities. This timely and…

The aim of this study was to elicit students' conceptions about big bubbles in boiling liquids (water, ethanol and aqueous CuSO[subscript 4] solution). The study is based on twenty-four students at different ages and grades. The clinical interviews technique was conducted to solicit students' conceptions and the interviews were analyzed to…