Is a pure compound? *Note: pure oxygen gas consists of molecules but it is still considered an element, rather than a compound, as the molecules are made up of a single type of element. Compounds are made up of one or more element….Pure Substances. Pure Substance Element or Compound? Consists of: Ammonia (NH3) compound ammonia […]
Does heat affect electricity?
Does heat affect electricity? Temperature affects how electricity flows through an electrical circuit by changing the speed at which the electrons travel. This is due to an increase in resistance of the circuit that results from an increase in temperature. Likewise, resistance is decreased with decreasing temperatures. How can you heat your home without electricity? […]
What is the error in saying the source of electrons?
How do you hand signal a right turn?
What is the difference between tables charts and graphs?
What is the difference between tables charts and graphs? Same, but Different Charts present information in the form of graphs, diagrams or tables. Graphs show the mathematical relationship between sets of data. Graphs are one type of chart, but not the only type of chart; in other words, all graphs are charts, but not all […]
Is Si a English word?
Is Si a English word? Meaning of SI in English. abbreviation for Système International: the international system of units used for scientific measurements, with standard base units such as the meter and the kilogram: The SI unit of electric current is the ampere. What can Si stand for? Système international What is the medical term […]
Why diesel engines are called CI engines?
Why diesel engines are called CI engines? Diesel engines are sometimes called compression-ignition engines because initiation of combustion relies on air heated by compression rather than on an electric spark. In a diesel engine, fuel is introduced as the piston approaches the top dead centre of its stroke. What is the difference between SI & […]
Is it better to get fit before playing sports or play sports to get fit?
Is it better to get fit before playing sports or play sports to get fit? Being fit is very important to overall health. However, when looking at sports performance the goals tend to be more specific and the level of training higher. Just by being fit does not necessarily mean that one is ready for […]
Is fracking good or bad?
Is fracking good or bad? In the U.S. alone, around 13 million metric tons of methane is released annually from natural gas wells alone. Fracking well sites are the source of a number of other air pollutants, which are less common than methane, but arguably more harmful to local populations. Where is fracking banned? Four […]