Methods of Heat Transfer
Temperature
Heat Capacity
Particle Motion
100
From a microscopic perspective, all energy transfer is _____.
Collisions.
100
What is Temperature?
A measure of the amount of thermal energy an object has.
100
What is specific heat capacity?
The amount of energy needed to change the temperature of a material by 1 degree Celsius.
100
Given two particles, A which is moving at a high speed and B which is merely jiggling slightly., which one has more energy?
A has more energy.
200
What is Conduction?
A method of heat transfer through direct contact or touch.
200
What is the boiling point of water in Fahrenheit?
212 Degrees
200
What is latent heat capacity?
The amount of energy needed to complete a phase transition.
200
Given objects which are jiggling and moving around, meaning they have kinetic energy, if they make up a large system like atoms in a gas we call the total of all their kinetic energies their ____.
Thermal Energy
300
What is Radiation?
A method of heat transfer where energy is transferred through waves.
300
In the United States, Temperature is measured in ___.
Fahrenheit.
300
Given E to F, what happens to the object's temperature as time goes on?
It increases.
300
Generally, the closer the particles are to each other the ___ the force.
The stronger the force.
400
What is Convection?
A method of heat transfer due to a property of fluids in gravitational fields, where warmer sections of the fluids rise away from a gravitational field and colder sections sink down into the field.
400
What is Celsius?
A scale of temperature that places the zero point of the scale around the freezing point of water and 100 of the scale around the boiling point of water.
400
Given a heating cooling curve like the one below, what is happening between B and C?
The material is undergoing a phase transition, probably melting.
400
Given a substances whose atoms have bonded to themselves, normally forming crystals, what kind of substance has formed?
A solid.
500
Given a situation where your friend is likely to develop hypothermia, and you have few tools to help them. What should you do to help them survive?
Get them in contact with a warmer object. Like your body which conducts heat.
500
In the Kelvin Scale, what is the zero point set around?
The notion of absolute zero, or zero energy in an object.
500
During a phase transition, if you add heat to an object, what happens to its temperature?
It remains constant.
500
Given a situation where the atoms of a gas gain so much heat that their electrons are actually ripped off and become particles in the substance, what phase of matter has the gas transitioned to?
A Plasma, or an Ionized Gas.