Energy Energy is very important in our life , where we can’t carry out different activities ( mental or muscular ) without the produced energy from burning sugar inside our bodies , we can’t...
Every chemical reaction needs accurately calculated amounts of reactants to obtain the required amounts of products, If the amount of one of the reactants increases than required, this extra amount remains as it is,...
The mole Mole is the unit of the quality of matter in the International System of Units ( SI ) and it is defined by different ways according to the mole and mass of...
Science is an organized structure of knowledge that includes the facts, concepts, principles, laws, scientific theories and the organized method in the research & investigation, One of the main branches of science is the...
The mixtures The matter can be classified into the pure substance and the mixture, where the tea, the juice, the soap, the perfumes, the paints and the blood flowing in our bodies are considered...
The states of matter All matters have a mass and take up space, the state of matter is one of the distinct forms that matter takes on, and there are four states of matter...
