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What problems that can occur to expansion and contraction due to temperature changes with an iceberg?
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What would happen if there were no gaps in a bridge?
Expansion and contraction with heat and cold causes the road to swell and shrink. the gaps are for that purpose so the road or bridge would buckle and break if they were not there! Before this was discovered things broke often
Matter changes state because of?
Matter changes state because of temperature and pressure. These quantities bring change.
How does large variations between day and night temperatures cause weathering?
During the warm day, things expand from the increased heat. During the cold night, things contract as heat is lost. This process of expansion and contraction creates cracks and other stress points that cause weathering.Hence the temperatures cause weathering. Note: There are few substances that this expansion and contraction can be seen with the naked eye, but even the minute changes cause weathering, and when substances like water get into the microscopic cracks then freeze, it magnifies the effects as water expands when it freezes while other substances contract when they cool down.
Will glass expand when heated?
No. Heating and cooling do not change the mass of an object. Changes in temperature very often change the volume of an object, however, which means that the density of the object changes. Heating usually causes an object to expand, which means that its density goes down. Its mass, and therefore its weight, does not change.
What are periodic changes?
Periodic changes are the changes occured due to temperature,wind speed,lightening,etc...
Why do railway lines have gaps in them?
to allow for the thermal expansion or contraction
What is temperature measured to?
Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)
What are the properties which make mercury suitable for clinical thermometer?
Its a liquid at room temperature and it has a high rate of thermal expansion and contraction(changes volume with temperature).
What was the problem withn bridges made out of iron?
Expansion and contraction with changes in temperature. Rust. Weight vs. durability ratio.
What type of weathering is caused by expansion and contraction of the rock?
Frost wedging
What is measured using temperature?
Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)
What is used to measure temperature?
Temperature is usually measured via expansion/contraction of a liquid (liquid thermometer), differences in expansion/contraction of two metals (bi-metallic strip thermometer), changes in electrical resistance (thermistor or thermocouple) or radiant energy (for example: a pyrometer)
What is the function of a master cylinder compensating port?
Type your answer here... Correct Answer: Allow for the normal expansion and contraction of brake fluid due to temperature changes
What type of changes occurs in thermal expansion and contraction?
These are physical changes. No new substance is produced.
Why do train tracks buckle?
It's usually the result of expansion and contraction due to temperature changes, but this should be allowed for by suitable expansion joints. The rails may also buckle if the formation on which the track lies, subsides.
Why are railroads needed?
To allow for expansion and contraction when the weather changes from hot to cold.
Why are railroad gaps needed?
To allow for expansion and contraction when the weather changes from hot to cold.
