Heat exchange that involves direct touching is known as:
What is Conduction?
list 3 examples of conductors. Be specific.
aluminum
copper
steel
If particles vibrate faster, what happens to the heat measured?
the temperature rises
List 3 examples of insulators.
wood, plastic, cotton, air
The process of ice becoming water is known as:
What is melting?
Heat transfer from the sun is known as:
What is radiation?
A heating system where warm air is collected in one location then distributed to other rooms.
What is a central heating system?
What is the transfer of thermal energy from one material to another by infrared waves?
radiation
The amount of space taken up by matter is called
volume
The process of a liquid becoming a gas is known as:
What is evaporation?
This type of heat exchange involves heat transfer from particles to particles
What is conduction?
How are particles in a solid arranged?
They are packed closely together in fixed positions
As water freezes, the particles do what?
What is expand?
The total amount of energy in an object is known as:
What is temperature?
The process of gas becoming a liquid is known as:
What is condensation?
Convection only occurs in these 2 states of matter.
What is liquid and gas?
What is one advantage of hydroelectric energy?
Inexpensive to maintain, renewable, clean
Even though they appear stationary, particles are in:
What is constant motion?
In the ball and ring demonstration, the ball was not able to fit through the ring when heated because the particles of the metal...
sped up when heated causing an increase in volume.
The process of a gas becoming a solid
What is deposition?
The circular movement of warm air and cold air. These currents circulate heat throughout a space.
What are convection currents?
List two methods of passive heating
South facing windows, overhang, bricks/ material that absorbs heat, etc.
When an object becomes larger due to temperature increase it is called...
What is thermal expansion?
what are the 4 points of the particle model of matter?
Matter is made up of tiny particles
Particles are always moving
Particles have space between them
when heat is added particles move faster, when heat is removed the particles are slower
Bubbles form in boiling water. This happens because...
the water is changing from a liquid to a gas