Importance of measuring temperature We need to measure the body temperature to help us to know our bodies temperature, and help us to know the weather temperature which affects our life skills, Some processed...
The molecules and the matter The molecules of one substance are alike in properties, but they differ from other substance molecules, the molecule is composed of tiny structural units called the atoms, A molecule...
Medical diagnosis Ultrasonic waves are used nowadays in many medical investigations and laboratory tests such as detecting the sex of the embryo and his health state, This process depends on the ability of different...
Metals can be classified according to their chemical activity into three groups which are very active metals, less active metals, and inactive metals. The high reactivity of active metals makes them useful in a...
