SCIENCE QUIZZES

Dear students, this is a quiz about matter construction. you have learned that: Element is the simplest pure form of matter that can't be chemically analyzed into simpler form. The compound is the substance that is formed from the combination of atoms of two or more different elements. Solids change by heating into liquids. Liquids change by heating into gases. The only liquid element that consists of one atom is Mercury. The only liquid element that consists of two atoms is Bromine. Description of the quiz: The quiz includes questions about matter construction. The result of the exam will appear at the end of the exam. The right and wrong responses will appear to help you revise your mistakes. You can do the quiz multiple times as you wish to train your self. Now try to solve the quiz CLICK HERE

Dear students, this is a quiz about  seeing the coloured objects . you have learned that: The coloured opaque object absorbs all light colours and reflects its own colour. Opaque objects have the same colour of the reflected light. The red apple appears red { because it absorbs all light colours and reflect red light } . The transparent and translucent coloured object absorbs all light colours and permits (allows) its own colour only to pass through it. Transparent and translucent objects have the same colour of the transmitted light through them. White opaque object reflects all light colours. Black opaque object absorbs all the light colours and doesn't reflect any colour. Primary coloured lights are coloured lights which can’t be produced by mixing two other coloured lights. The primary coloured lights are (Red – Green - Blue) When mixing the three primary coloured lights, white light is produced. When mixing two primary coloured lights we get a secondary coloured light. Mixi...