What generally happens to the temperature of rising air and sinking air?

Q: What happens to the amount of 'microscopic slush' in cold water when its temperature is increased?

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Q: what is meant by optimal temperature ?

A: Optimum temperature: The temperature at which an enzyme shows its highest activity is called optimum…

Q: Woollen clothes are poor conductor of heat but they keeps us warm. Give reason

A: Woolen clothes are thin and there is no much air gap between the fabric. The air pockets lying in…

Q: “It was so cold yesterday that the temperature only reached 275.” Which temperature scale is being…

A: "If it was so cold yesterday so that the temperature only reached 275." So kelvin scale is being…

Q: Why does decreasing the temperature of a liquid make it freeze?

A: As the temperature of a liquid decreases, the randomness in the motion gets decreased. Freezing…

Q: What is meant by the terms of thermal expansion and thermal conductivity?

A: Thermal conductivity:

Q: On a chilly 10°C day, your friend who loves cold weather says she wishes it were twice as cold.…

A: Here, 10°C in Kelvin = 10+273 = 283 K         -131.5°C in Kelvin = -131.5+273 = 141.5 K

Q: When you open the door to an air conditioned room in the summer are you letting cold air out or hot…

A: When the door to an air conditioned room in the summer is opened.   And we need to tell whether we…

Q: Show that 3000cal= 12,570J , the same quantity of thermal energy in different units.

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Q: What do you think will happen if water is used in a thermometer instead of mercury?

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Q: When putting ice in a glass of water, is it the ice that cools the water or the water that warms the…

A: Since heat transfer from higher temperature to lower temperature. Water has more temperature then…

Q: Why does blowing over hot soup cool the soup?

A: Evaporation causes cooling of liquid as highly energetic molecules get wiped off the surface when…

Q: What is calorimeter?

A: Chemical reactions in general involve an exchange of heat between the system (reactants and…

Q: Why does the high specific heat of water have to do with convection currents in the air at the…

A: Water has a high specific heat capacity (of 4200 J/Kg°C) on the seashore and the land has a much…

Q: Does a substance that cools off quickly have a high or low specific heat capacity?

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Q: Why does an iron ball seem to have a lower temperature than a wooden ball despite having the same…

A: iron ball seem to have a lower temperature than a wooden ball despite having the same temperature

Q: Is it the boiling of water or the higher temperature of water that cooks food faster in a pressure…

A: Food can be cooked more quickly in a pressure cooker.

Q: Does a substance that heats up quickly have a high or a low specific heat capacity?

A: The amount of heat required to raise the temperature of unit mass of substances through one degree…

Q: If a cool cup of water is floated inside of a pot of water that is already boiling, will the water…

A: If  cup is conductor of heat the water can boil when its temperature reaches to 100 degree celsius.…

Q: The two metallic strips that constitute some thermostats must differ in: * thickness length…

A: Thermostat are made with two different metallic strips that have different property of  linear…

Q: If you drop a hot rock into a pail of water, the temperature of the rock and the water will change…

A: If you drop a hot rock into a pail of water, the temperature of the rock and the water will change…

Q: When the temperature of ice cold water is increased slightly , does it undergo net expansion or net…

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Q: Which is more painful, burn caused by condensing steam or burn caused by boiling water at the same…

A: Given:- Which is more painful, burn caused by condensing steam or burn caused by boiling water at…

Q: What is heat of compression?

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Q: Which warms up faster when heat is applied- iron or silver?

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Q: what happens as the temperature of an object increases?

A: It is very general scenario with various effects on the body and exhibited by the body. In layman…

Q: A radiator pits warm air out at the top and draws in cooler air at the bottom. Is this Conduction,…

A: Given- A radiator pits warm air out at the top and draws in cooler air at the bottom.

Q: What happens to the temperature of air  when it expands?

A:

Q: What happens to the temperature of water as it is boiling?

A: BOILING: Boiling is the process by which a liquid turns into a vapor when it is heated to its…

Q: There is more than a single reason why pouring a cup of hot coffee into a saucer results in faster…

A: Cup is generally manufactured with insulating material. So, coffee remain hot in cup for long time…

Q: What happens to the temperature of a pan of water when evaporation exceeds the condensation?

A: Evaporation and condensation can take place simultaneously. Evaporation causes cooling. This is…

Q: The Earth cools off at night much more quickly when theweather is clear than when cloudy. Why?

A: The cooling of Earth happens predominantly by radiation.

Q: Heat flows from one body to another when they have O a. different heat contents. O b. different…

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Q: Which will undergo the greater rate of cooling- a red hot poker in warm oven or red hot poker in…

A: According to Newton’s law of cooling, rate of cooling is directly proportional to the temperature…

Q: Why is being burned by steam more damaging than being burned by water at the same temperature (100…

A: when the state of any matter changes from one state to another state  its temperature when the state…

Q: Everybody knows that warm air rises. So, it might seem that the air temperature should be higher at…

A: The temperature decreases with altitude. Let us assume the following situation where the balloon is…

Q: Is the boiling point of water or the higher temperature of the water that cooks food faster in…

A: Pressure cooker works on the principal of steam pressure.

Q: Why is sweating an efficient mechanism for cooling off on a hot day?

A: There will be evaporation of water and other liquids present on human’s skin into the air. The…

Q: When ice in a pond melts, what effect does this have on the temperature of the neraby air?

A: The nearby air temperature will decrease.

Q: The temperature which matters in the data-centers for keeping them cool, is known as  Wet-bulb…

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Q: When will water boil at the temperature of less than 100 degree C?

A: The process boiling occurs when the pressure of the atmosphere is equal to the pressure of liquid.…

Q: Does heat flow into cold areas or does cold flow into hot areas?

A: Yes heat flows from hot to cold area or we can say it moves with the help of particle or atom. for…

Q: Distinguish between a calorie and a joule?

A: Both calorie and joule are the units of energy. The main difference in both the units is that a…