Category: Physics

What is the main purpose of conducting an experiment? The main purpose for conducting experiments is to prove or disprove the hypotheses, or ideas of the scientists. What is conducting experiment? The Basis of Conducting an Experiment. With an experiment, the researcher is trying to learn something new about the world, an explanation of ‘why’ […]

What is hygroscopic substance give examples? Hygroscopic substances include cellulose fibers (such as cotton and paper), sugar, caramel, honey, glycerol, ethanol, wood, methanol, sulfuric acid, many fertilizer chemicals, many salts (like calcium chloride, bases like sodium hydroxide etc.), and a wide variety of other substances. What is hygroscopic behavior? Hygroscopicity is the capacity of a […]

Why could jelly fish not tell a lie? Answer. Answer: because they can not talk. What is the meanest animal? HONEY BADGER Is Cyprus rich or poor? What does it mean for a nation to be rich? GDP per capita adjusted for relative purchasing power provides a clue into that….Advertisement. Rank Country GDP-PPP ($) 31 […]

Why is it easier for humans to walk through air than liquid water? It is easier to push an object through air than through water. This is because air is less dense than water. Since air is less dense this means there is less matter, or less “stuff”, in a certain area of air than […]

Can you fail fifth grade? Will I fail the 5th grade? No, you won’t fail 5th grade. But honestly, you may be missing the point. If you made an F in math, you really need to find out why and correct your performance. What age are 5th graders? 10 years old Can a 12 year […]

Which sentence best describes mass movement? The downhill flow of soil and rock resulting from gravity best describes mass movement. The downhill flow of soil and rock resulting from gravity best describes mass movement. Which type of mass movement occurs when a fragment of rock breaks off and drops almost vertically to the ground below […]

What is the chemical name of ch2? Methylene Why is CH2 called methylene? Methylene was used as the name for methanol, which is wood alcohol, CH3OH, in the early 19th century. Methylene comes from methe + hyde the latter being the Greek word for wood, so methylene would mean wine from wood. What is full […]

Can aluminum be magnetized? In our everyday experience aluminum doesn’t stick to magnets (neither does copper). Most matter will exhibit some magnetic attraction when under high enough magnetic fields. But under normal circumstances aluminum isn’t visibly magnetic. Why is stainless steel jewelry so cheap? Stainless steel not only mimics the look of fine, precious metal, […]

Why does sand burn your feet? Yes, the sand heats up in the hot sun and is a common cause of burns on your feet. When it is 90 degrees outside, the sand can be over 120 degrees, hot enough to cause second and even third degree burns. So at the beach, wear Crocs, aqua […]

Does Salt raise boiling temp of water? When salt is added, it makes it harder for the water molecules to escape from the pot and enter the gas phase, which happens when water boils, Giddings said. This gives salt water a higher boiling point, she said. “The temperature of saltwater will get hotter faster than […]