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When a substance is heated, its particles begin moving and become active thus maintaining a greater average separation. Materials which contract with increasing temperature are rare; this effect is limited in size, and only occurs within limited temperature ranges. The degree of expansion divided by the change in temperature is called the material's coefficient of thermal expansion and generally varies with temperature.
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How does raising the temperature of an object affect its density?
Increasing the temperature of an object generally decreases its density. This is because as the temperature rises, the particles within the object gain more kinetic energy and spread out, causing the object to expand. Conversely, lowering the temperature would usually increase the density of the object as the particles lose kinetic energy and move closer together.
A change in the temperature of the core would affect?
The change in core temperature would affect the generation of Earth's magnetic field, which helps protect the planet from solar winds and cosmic radiation. This could lead to disruptions in navigation systems that rely on magnetic field direction, such as compasses.
How much energy is required to raise the temperature of kg of lead from 15 c to 15 c?
1935
An object with high temperature has more . Than an object with a lower temperature does?
An object with high temperature has more thermal energy than an object with a lower temperature does. Thermal energy is the internal energy of an object due to the vibration and movement of its particles.
Why does temperature stay constant during a phase change?
To put it in simple terms, all of the energy that would normally increase the temperature of the object, is being used to convert the object from one phase to another. Once the object has completely changed to the new phase, the energy is not needed for phase change and raises the temperature of the object. Because energy is being used to overcome intermolecular forces(apex)
What change in the temperature of the core would affect what?
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Why does a solid weigh less when frozen?
For an object that is already a solid the change in its temperature does not affect its weight by any noticeable amount. The only change would result from the volume decrease as the object contracts when cooled. By occupying less space, it would displace less air and that would decrease the buoyancy of the object. That, though, would cause the object to weigh (slightly) more.
Which of these would change the direction of an object but not affect the object's speed?
Changing an object's direction without affecting speed requires a force that acts perpendicular to the object's velocity, such as centripetal force or gravitational force. This force causes the object to change direction while continuing at a constant speed. Other forces acting parallel to the object's velocity can change its speed as well as its direction.
Does the mass of an object change as the distance from the center of gravity changes?
Mass doesn't change. Mass the is substance of an object, moving it around won't affect how much mass it has, only adding or subtracting from the object would affect the quantity of mass. The weight would change because gravity is inversely proportional to distance but not the mass.
How would the size of an object affect the temperature of the object?
When a substance is heated, its particles begin moving and become active thus maintaining a greater average separation. Materials which contract with increasing temperature are rare; this effect is limited in size, and only occurs within limited temperature ranges. The degree of expansion divided by the change in temperature is called the material's coefficient of thermal expansion and generally varies with temperature.
How does raising the temperature of an object affect its density?
Increasing the temperature of an object generally decreases its density. This is because as the temperature rises, the particles within the object gain more kinetic energy and spread out, causing the object to expand. Conversely, lowering the temperature would usually increase the density of the object as the particles lose kinetic energy and move closer together.
Does the temperature of the oven affect the weight of the cookie?
It would change a little bit because you will lose moisture in the baking.
A change in the temperature of the core would affect?
The change in core temperature would affect the generation of Earth's magnetic field, which helps protect the planet from solar winds and cosmic radiation. This could lead to disruptions in navigation systems that rely on magnetic field direction, such as compasses.
What mutations would most likely affect a cow's offspring?
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How would you express Newtons Law of Cooling in word form?
Newton's Law of Cooling states that the rate of change of the temperature of an object is proportional to the difference between its own temperature and the ambient temperature (i.e. the temperature of its surroundings).
How much energy is required to raise the temperature of kg of lead from 15 c to 15 c?
1935
Would a change in the temperature of the core affect plate tectonics?
A change in temperature of the core would probably have to be rather large to be noticeable, however it would affect plate tectonics. Lowering the temperature of the core would slow down activity and raising it would increase.
