How do you classify matter? Matter can be classified according to physical and chemical properties. Matter is anything that occupies space and has mass. The three states of matter are solid, liquid, and gas. A physical change involves the conversion of a substance from one state of matter to another, without changing its chemical composition. […]
How many levels of reality are there for Plato?
How many levels of reality are there for Plato? Plato believed that there were four levels or approaches to knowledge and genuine understanding. They are illustrated in the REPUBLIC in the allegory of the cave and in the divided line. What are Plato’s two levels of reality? The divided line is a visual metaphor for […]
Whats the worst neighborhood in NYC?
Whats the worst neighborhood in NYC? Worst Crime Neighborhoods in NYC: Midtown. Though not highly populated, center of Manhattan is constantly packed with tourists, office and general workers and wanderers. Meatpacking District and Greenwich Village. Hunts Point. Brooklyn. Is Queens New York ghetto? While there is poverty, gangs, crime and some parts of Queens that […]
Which angular velocity is greater a second hand minute hand and hour hand of a clock?
How do you test if sunglasses are polarized?
How do you test if sunglasses are polarized? Look at a bright, reflective light source (e.g., glass, water, or polished metal) with your shades on. If the light increases in intensity when you tilt your head sideways to around 60 degrees, you’re wearing polarized sunglasses. If there’s no change in quality, they’re just tinted. Where […]
Why is being precise important?
Why is being precise important? Precision in scientific investigations is important in order to ensure we are getting the correct results. Since we typically use models or samples to represent something much bigger, small errors may be magnified into large errors during the experiment. Precision is also important in order to ensure our safety. What […]
What is a leeward side of a mountain?
What is a leeward side of a mountain? The opposite side of the mountain is called the leeward side and usually sees much less precipitation. The reason is that air is descending on the leeward side of the mountain, and descending air is warmer and drier, which is the opposite of ascending air. Which side […]
How does a mechanical wave move?
How does a mechanical wave move? A mechanical wave is a wave that is an oscillation of matter, and therefore transfers energy through a medium. Therefore, the oscillating material does not move far from its initial equilibrium position. Mechanical waves transport energy. This energy propagates in the same direction as the wave. Which wave has […]
Why do Acids burn?
Why do Acids burn? An acid is a substance that separates readily into charged hydrogen ions (H+). These charged ions undergo catalytic reactions named amide/ester hydrolysis, that eventually cause the destruction of proteins and lipids in biological tissue, and therefore the chemical burn. What acid can burn through anything? A common corrosive acid is hydrochloric […]