Category: Physics

What is power and its type? Power basically emanates from position or authority which can influence people both positively and negatively. For simplicity and understanding purposes power is usually classified into following categories: Coercive Power- This kind of power involves the usage of threat to make people do what one desires. What is the strongest […]

What is the largest group of rock-forming minerals? Silicates What are the two main group of minerals? All minerals, however, can be classified into two main groups—silicate minerals and nonsilicate minerals—based on the chemical compositions of the minerals. What are the 7 mineral groups? Silicates, oxides, sulfates, sulfides, carbonates, native elements, and halides are all […]

Why is there no change in temperature during a phase change? The term change of phase means the same thing as the term change of state. i.e. during phase change, the energy supplied is used only to separate the molecules ; no part of it is used to increase the kinetic energy of the molecules. […]

Is ice made of H2O? Ice is H2O. c. Water vapor is H2O Adam Sennet has no problem with this. Water is a liquid. Can you have water vapor at 0 C? Yes, water can stay liquid below zero degrees Celsius. There are a few ways in which this can happen. The freezing point of […]

Is it worth it to buy a telescope? Most telescopes that cost less than $300 aren’t really worth it. We suggest getting good binoculars instead. Stay away from any telescope advertised for its magnifying power. For a child, look for a tabletop telescope that’s portable, easy to push around the sky, and virtually indestructible. What […]

What are the only two rivers in the world that flow north? Johns River and the Nile River are the only two rivers in the world that flow north.” In this editorial he explains that there are hundreds of rivers that flow north and; in fact, the St. Johns River flows south as well. What […]

Why is it important to learn the human body? We all only get one body, and it is important that we keep it healthy if we are going to have long and happy lives. Part of taking care of our health is understanding the different parts and systems of the body. You can make your […]

What is the purpose of uncertainty? Uncertainty as used here means the range of possible values within which the true value of the measurement lies. This definition changes the usage of some other commonly used terms. For example, the term accuracy is often used to mean the difference between a measured result and the actual […]

What are the basic engine components? An engine is composed of several major components; the block, the crank, the rods, the pistons, the head (or heads), the valves, the cams, the intake and exhaust systems and the ignition system. What components are included in a basic engine block? Engine block components Cylinder blocks. Cylinder liners. […]

Is virus parasite or bacteria? Viruses are another type of tiny microorganism, although they’re even smaller than bacteria. Like bacteria, they’re very diverse and have a variety of shapes and features. Viruses are parasitic. That means they require living cells or tissue in which to grow. How do you kill parasites in your body? Eat […]