What is Parallax give an everyday example? The term “parallax” refers to the apparent movement of objects when viewed from different positions. The everyday example of this is seen driving on the highway– when you look out the window, electrical poles near the road seem to zoom past, while trees in the distance appear to […]
Do divers breathe oxygen?
Do divers breathe oxygen? Contrary to popular belief, scuba divers don’t only breathe oxygen underwater. After all, we don’t breathe pure oxygen above water either. Divers go way deeper and explore much longer with mixtures such as nitrox, heliox, and hydrox as these are safer alternatives to simple compressed air. Can oxygen get you high? […]
Under which condition is no work done a force pushes an object?
What is the difference between reflective and reflexive?
What is the difference between reflective and reflexive? Reflection might lead to insight about something not noticed in time, pinpointing perhaps when the detail was missed. Reflexivity is finding strategies to question our own attitudes, thought processes, values, assumptions, prejudices and habitual actions, to strive to understand our complex roles in relation to others. What […]
Where does the oil dipstick go in a Nissan Pathfinder?
Is a pencil chemical change?
Is a pencil chemical change? When you sharpen your pencil, you have only caused a physical change. The sharpener has cut off some of the wood and maybe also some of the graphite, but the atoms of the wood and graphite have not changed chemically. Is snow a physical or chemical change? When rain turns […]
What do bacteria use for movement?
What do bacteria use for movement? flagellum What are two foods that bacteria help make? Bacteria are used to make food, such as cheese and yogurt, and they can also help us break down harmful substances in the environment. Scientists created a type of bacteria that could gobble up oil from oil spills. What are […]
What will happen if a bar magnet is broken in two pieces and why?
What will happen if a bar magnet is broken in two pieces and why? If a bar magnet is broken into two pieces, each piece will behave as an individual magnet because the new poles are formed at the broken ends. If these pieces are broken further, the smaller pieces still remains as individual magnets […]
How much HF is lethal?
How much HF is lethal? Hydrofluoric acid is one of the strongest acids known that has a strong lipophilic ability. Ingestions of more than 20 mg/kg body weight are considered a lethal dose. Even after dermal exposure, the fatal prognosis is caused by severe electrolyte disturbances, especially hypocalcemia. What does an HF burn feel like? […]