How do rocks handle stress?

How do rocks handle stress? Rocks have three possible responses to increasing stress (illustrated in Figure below): elastic deformation: the rock returns to its original shape when the stress is removed. plastic deformation: the rock does not return to its original shape when the stress is removed. fracture: the rock breaks. What causes rocks to […]

What material expands the most when heated?

What material expands the most when heated? By contrast, iron, with a coefficient of 1.2, is 24 times more likely to expand or contract as a result of changes in temperature. (Steel has the same value as iron.) The coefficient for aluminum is 2.4, twice that of iron or steel. Which state of matter contracts […]

What are three primary methods of monitoring volcanic activity?

What are three primary methods of monitoring volcanic activity? Volcanologists use many different kinds of tools including instruments that detect and record earthquakes (seismometers and seimographs), instruments that measure ground deformation (EDM, Leveling, GPS, tilt), instruments that detect and measure volcanic gases (COSPEC), instruments that determine how much lava is … How can we detect […]

Is pitch and note the same?

Is pitch and note the same? Pitch is the high or low frequency of a sound. When you sing, you create pitch because your vocal cords vibrate at a certain speed. Notes are musical symbols that indicate the location of a pitch. Tone is the color or timbre of pitch. Can a sound have no […]

What are five ways to make an observation?

What are five ways to make an observation? Explain that an observation is information we gather about something by using our senses. List the five senses of sight, hearing, taste, touch, and smell. Use their senses to make observations about things in the classroom. What are the direct observation methods? Observations can also be either […]

Is Bangladesh in Pakistan or India?

Is Bangladesh in Pakistan or India? Pakistan and Bangladesh are two separate and independent countries physically divided by India. Historically, this was not always the case: from 1947 to 1971 they were administered under the same government. The two countries share a number of attributes. How are rivers important to the peoples of Pakistan and […]

What are the harmful effects of photochemical smog?

What are the harmful effects of photochemical smog? Harmful effects of photochemical smog: It corrode metals, stones, rubber and painted surface. It causes serious health problems to senior citizens, children and people with heart and lung problems which lead to emphysema, bronchitis, asthma. What are the negative environmental and health impacts of smog? Smog can […]

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