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The hotter an object is, the more vigorously its atoms or molecules vibrate, and in doing so generally they take up more space (the object expands). This implies that a hot object is less dense than when it is cooler (because of its volume increase)
What else can I help you with?
Why can color affect heating by absorption of light?
the darker the color, the more attraction to sunlight so the object heats up faster
Does the mass affect the speed of an object?
It has no direct affect on the speed of an object. It does affect the energy content of the speeding object.
How are the processes of heating and freezing related?
They both have to do with the transfer of heat. Heating an object is transferring heat into the system. Freezing an object is transferring heat out of the system.
What are The differences between direct and indrect heating?
Direct heating involves transferring heat directly to the substance being heated, while indirect heating involves transferring heat to a medium, such as a fluid or gas, which then transfers the heat to the substance. Direct heating is more efficient and faster, while indirect heating provides better control over temperature and minimizes the risk of overheating the substance.
What two thing affect the acceleration of an object?
The force acting upon the object as well as the mass of the object. Both will affect the acceleration of the object.
What are the similarities of limestone before heating and after heating?
your scene of touch can help you tell how hot or cold an object is.
When heating a substance over a bunsen burner where should the object be placed for most efficient heating?
The object should be placed at the tip of the inner blue cone of the bunsen burner flame. This is the hottest part of the flame and will provide the most efficient heating to the substance. Adjust the height of the object as needed to maintain the best heating.
How how do the heating and cooling differences between land and water affect people on earth?
How do the heating and cooling differences between land and water affect us? ...
Increasing the speed of an object does not affect that object's what?
Increasing the speed of an object does not affect that object's mass. Mass is an intrinsic property of an object and remains constant regardless of its speed.
How does alternating current and direct current affect heating ventilation and airconditioning?
how dose alternating current and direct current affect heating, ventilation, and air conditioning
How does the roman heating system affect us today?
The Roman heating system does not affect us today. It fell out of use soon after the end of Roman civilisation.
How do you avoid defects such as undercut and burn through?
avoid the excessive heating of base voltage
