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Study sets matching "convection"

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Study sets matching "convection"

7 terms
Convection
convection
molecules
expand
contract
the circular movement caused by heat gain and loss in molecules
the smallest unit or the 'little bits' of a substance
an increase in volume and space when something gets bigger
a decrease in volume and space when something gets smaller
convection
the circular movement caused by heat gain and loss in molecules
molecules
the smallest unit or the 'little bits' of a substance
12 terms
Convection
Density
Convection
Convection At Equator And Poles
At the poles
The ammount of matter packed together in a given space
Heat transferred through liquids and gases, causing them to m…
Water heats up at the equator and rises to the Poles. At the…
Water cools down and sinks towards the ocean floor. That wate…
Density
The ammount of matter packed together in a given space
Convection
Heat transferred through liquids and gases, causing them to m…
7 terms
Convection
What is convection?
When does convection occur?
Where does convection occur?
Why can't convection happen in solids?
a type of heat transfer due to particles moving within a liqu…
This heat transfer occurs when hotter molecules move more, sp…
This heat transfer only happens in liquids and gases.
Solids can't transfer heat this way because solid particles a…
What is convection?
a type of heat transfer due to particles moving within a liqu…
When does convection occur?
This heat transfer occurs when hotter molecules move more, sp…
7 terms
convection
What is convection?
When does convection occur?
Where does convection occur?
Why can't convection happen in solids?
a type of heat transfer due to particles moving within a liqu…
This heat transfer occurs when hotter molecules move more, sp…
This heat transfer only happens in liquids and gases.
Solids can't transfer heat this way because solid particles a…
What is convection?
a type of heat transfer due to particles moving within a liqu…
When does convection occur?
This heat transfer occurs when hotter molecules move more, sp…
8 terms
Convection
Density
mass
weight
Convection
Density=mass/volume
A measure of the amount of matter in an object
A measure of the force of gravity on an object
The movement of matter due to differences in density that are…
Density
Density=mass/volume
mass
A measure of the amount of matter in an object
13 terms
Convection
Climate
Hydrosphere
Atmosphere
Weather
temperature and precipitation in an area
all of the water on Earth
the layers of gases that surround the Earth
climate at a particular TIME and PLACE
Climate
temperature and precipitation in an area
Hydrosphere
all of the water on Earth
13 terms
Convection
Climate
Hydrosphere
Atmosphere
Weather
temperature and precipitation in an area
all of the water on Earth
the layers of gases that surround the Earth
climate at a particular TIME and PLACE
Climate
temperature and precipitation in an area
Hydrosphere
all of the water on Earth
12 terms
Convection
An object at rest has no energy.
Things "use up" energy. Energy is trul…
Objects that readily become warm (cond…
Heat and cold are different.
Objects at rest have potential energy.
Energy cannot be created or destroyed although it can be conv…
Conductors gain and lose heat easily.
Cold is the absence of heat. Heat and cold can be thought of…
An object at rest has no energy.
Objects at rest have potential energy.
Things "use up" energy. Energy is trul…
Energy cannot be created or destroyed although it can be conv…
13 terms
Convection
When heat energy is added to liquids a…
Thermal is similar to
convection
convection makes particles at the top…
quickly
heat
The flow of heated material through liquids and gases
bottom
When heat energy is added to liquids a…
quickly
Thermal is similar to
heat
13 terms
Convection
Hot gases and liquids are less dense s…
Chilled molecules move less and don't…
Convection
In a convection
That's how hot air balloons float : the hot air in them is le…
Therefore, the material they are in becomes more dense or hea…
is a process by which heat is transferred by movement of a he…
ahot, less dense fluid rises up, and a cold, more dense fluid…
Hot gases and liquids are less dense s…
That's how hot air balloons float : the hot air in them is le…
Chilled molecules move less and don't…
Therefore, the material they are in becomes more dense or hea…
12 terms
Convection
Density
mass
weight
Convection
Density=mass/volume
A measure of the amount of matter in an object
A measure of the force of gravity on an object
The movement of matter due to differences in density that are…
Density
Density=mass/volume
mass
A measure of the amount of matter in an object
6 terms
Convection
as the water cooled, the red color moved
as the cold water was heated, the blue…
convection
only happens in
down
up
movement due to differences in density because of temp.
liquid and gases
as the water cooled, the red color moved
down
as the cold water was heated, the blue…
up
20 terms
Convection
Convection
Example of convection
How are liquids and gases affected by…
How is thermal energy transferred thro…
how heat is transferred between fluids (liquids and gases )
the air around us
When heat energy is added to liquids and gases , the particle…
Through convection ,it moves from high thermal energy to area…
Convection
how heat is transferred between fluids (liquids and gases )
Example of convection
the air around us
20 terms
Convection
Convection
Example of convection
How are liquids and gases affected by…
How is thermal energy transferred thro…
how heat is transferred between fluids (liquids and gases )
the air around us
When heat energy is added to liquids and gases , the particle…
Through convection ,it moves from high thermal energy to area…
Convection
how heat is transferred between fluids (liquids and gases )
Example of convection
the air around us
16 terms
Convection
Convection
Fluid
Warmer fluids
Cooler fluids
Heat transferred through a fluid in the form of a current. It…
Any liquid or gas. Hotter liquids and gases have more energy,…
Less dense than other fluids; has more energy and moves faster.
Denser than other fluids; has less energy and moves slower.
Convection
Heat transferred through a fluid in the form of a current. It…
Fluid
Any liquid or gas. Hotter liquids and gases have more energy,…
20 terms
convection
Cold air/water always
Warm air/water always
When water particles heat up they
A convection current is
Sinks
Rises
Vibrate faster and faster.
The flow of hot and cold regions through a fluid.
Cold air/water always
Sinks
Warm air/water always
Rises
13 terms
Convection
Climate
Hydrosphere
Atmosphere
Weather
temperature and precipitation in an area
all of the water on Earth
the layers of gases that surround the Earth
climate at a particular TIME and PLACE
Climate
temperature and precipitation in an area
Hydrosphere
all of the water on Earth
18 terms
Convection
Convection
Conduction
Red shift
Lunar Eclipse
Concerated collective movement,of groups or aggragates of mol…
Electricity is directily ttansmitted through a substance
Happens when light or pther electromagnetic radiation from an…
When the moon passes directly behind the earth
Convection
Concerated collective movement,of groups or aggragates of mol…
Conduction
Electricity is directily ttansmitted through a substance
9 terms
Convection
Convection
Cold fluids are .... dense
Chilled molecules take up ..... Space
Cold air ....
Heat is transferred by movement of a heated fluid
More
Less
Sinks
Convection
Heat is transferred by movement of a heated fluid
Cold fluids are .... dense
More
6 terms
Convection
density
density formula
mass
volume
The amount of matter in a volume of a material
Ratio between the mass of a sample of matter and its volume;…
The amount of "stuff" in something. You find mass by weightin…
how much space a sample of matter occupies. All matter has vo…
density
The amount of matter in a volume of a material
density formula
Ratio between the mass of a sample of matter and its volume;…
7 terms
convection
convection
1
2
3
transfer of heat through liquids and gases by the upward move…
dense, cool air heated
warm gas/liquid expands
the gas/liquid become less dense
convection
transfer of heat through liquids and gases by the upward move…
1
dense, cool air heated
5 terms
Convection
Density
Mass
Volume
Liquids
The amount of material in a volume of an object.
The weight of an object.
How much space a sample of matter occupies.
Measured in millimeters. (ml)
Density
The amount of material in a volume of an object.
Mass
The weight of an object.
5 terms
Convection
Convection
Convection
Convection
Convection
When you pour warm water in a pot of cool water convection is…
When you are in a green house it usally is warm because conve…
When you put a pot of cold water on a stove convection takes…
When you have a radiator in your house radiation is taking pl…
Convection
When you pour warm water in a pot of cool water convection is…
Convection
When you are in a green house it usally is warm because conve…
13 terms
Convection
Climate
Hydrosphere
Atmosphere
Weather
temperature and precipitation in an area
all of the water on Earth
the layers of gases that surround the Earth
climate at a particular TIME and PLACE
Climate
temperature and precipitation in an area
Hydrosphere
all of the water on Earth
Convection
Climate
Hydrosphere
Atmosphere
Weather
temperature and precipitation in an area
all of the water on Earth
the layers of gases that surround the Earth
climate at a particular TIME and PLACE
Climate
temperature and precipitation in an area
Hydrosphere
all of the water on Earth
10 terms
Convection
Convection
Convection occurs...
Immersion heater 1
Immersion heater 2
Occurs when the more energetic particles move from the hotter…
In liquids and gases but not solids as the particles can't mo…
Heat energy transferred from heater coils to the water by con…
The particles near the coils get more energy, so they start m…
Convection
Occurs when the more energetic particles move from the hotter…
Convection occurs...
In liquids and gases but not solids as the particles can't mo…
6 terms
convection
conduction
convection current
convection
radiation
Form of heat transfer where heat energy is directly transferr…
a current caused by the rising of heated fluid and sinking of…
Process by which, in a fluid being heated, the warmer part of…
Energy that is radiated or transmitted in the form of rays or…
conduction
Form of heat transfer where heat energy is directly transferr…
convection current
a current caused by the rising of heated fluid and sinking of…
10 terms
convection
Absorb
Action
Atom
Boil
To take in matter or energy
Movement;something that happens
The smallest unit of an element that has the properties of an…
To change state from a liquid to a gas because of added heat
Absorb
To take in matter or energy
Action
Movement;something that happens
25 terms
Convection
Convection
Heat transfer coefficient
Boundary Layer
Free Stream
Heat transfer through movement of heated lumps of fluid
h is affected by:... fluid properties... flow structure... flow veloci…
Layer adjacent to surface. (velocity < 99% free stream veloci…
Outside the boundary layer... Velocity and temperature are const…
Convection
Heat transfer through movement of heated lumps of fluid
Heat transfer coefficient
h is affected by:... fluid properties... flow structure... flow veloci…
5 terms
Convection
Mass
Volume
Density
How can you compare the density of sol…
The amount of stuff in something. You find mass by weighing.…
How much space a sample of matter occupies. (All matter has v…
Ratio between the mass of a sample of matter and its volume;…
Mass divided by volume
Mass
The amount of stuff in something. You find mass by weighing.…
Volume
How much space a sample of matter occupies. (All matter has v…
7 terms
Convection
convection occurs in
when you heat up liquids or gases the…
the warmer less dense liquid or gas ri…
as warm fluid rises, what takes its pl…
liquids and gases
expands, becoming less dense
colder denser surroundings
cold fluid
convection occurs in
liquids and gases
when you heat up liquids or gases the…
expands, becoming less dense
10 terms
Convection
Convection heat
Northern hemisphere current
Southern hemisphere current
Mediterranean characteristics
The transfer of heat from one area to another on Earth
Clockwise
Counter clockwise
West coast... Same lagnitude 32-34 north... Cool water current... Next…
Convection heat
The transfer of heat from one area to another on Earth
Northern hemisphere current
Clockwise
30 terms
Convection
Absolute Zero
Insulator
Phases of Matter
Thermal Equilibrium
Temperature at which a substance has no kinetic energy per pa…
Things that are bad at transferring heat
Solid, liquid, gas, and plasma
Two or more substances at the same temp. due to heat transfer
Absolute Zero
Temperature at which a substance has no kinetic energy per pa…
Insulator
Things that are bad at transferring heat
10 terms
Convection
Gases and liquids are the transfer of…
Why can't convection happen in solids?
When does convection occur?
Give the example of convection in an i…
Convection
The particles can't move freely
When the more energetic particles move from the hotter region…
Heat energy is transferred from the heater coils to the water…
Gases and liquids are the transfer of…
Convection
Why can't convection happen in solids?
The particles can't move freely
11 terms
convection
when does convection occur
how is heat energy transferred
what do liquids and gases do when they…
why do they expand
when particles with a lot of heat energy in a liquid or gas m…
from hotter places to colder places by convection
they expand
because the particles move faster
when does convection occur
when particles with a lot of heat energy in a liquid or gas m…
how is heat energy transferred
from hotter places to colder places by convection
5 terms
Convection
What does convection occur in?
What is convection?
What happens during convection?
Why can't convection occur in a solid?
Convection occurs in fluids, which are liquids and gases.
Convection is the circulation of a fluid caused by heating it.
As a fluid is heated, it gains heat energy and expands making…
Convection cannot occur in a solid as the particles are in a…
What does convection occur in?
Convection occurs in fluids, which are liquids and gases.
What is convection?
Convection is the circulation of a fluid caused by heating it.
9 terms
Convection
What is convection?
How do radiators heat homes?
Convection in gases
Convection in liquids using purple pot…
Convection only happens in liquids and gases. As a liquid or…
Radiators heat homes by convection
Start: Molecules warm up, become less dense and rise... Halfway:…
Start: Purple potassium permanganate forms dye in the water.…
What is convection?
Convection only happens in liquids and gases. As a liquid or…
How do radiators heat homes?
Radiators heat homes by convection
11 terms
Convection
What is convection?
What happens to the surroundings that…
What happens to the air once it has mo…
What happens to the air once it cools…
The transfer of thermal energy in fluids. It's achieved due t…
Bunsen has heated up surrounding air, which has expanded so i…
Air cools down and starts to fall as it's density has increas…
It comes back to the heat source again because this is a circ…
What is convection?
The transfer of thermal energy in fluids. It's achieved due t…
What happens to the surroundings that…
Bunsen has heated up surrounding air, which has expanded so i…
10 terms
convection
convection
density
density causes convection by....
what causes ocean currents
the movement of heat in a liquid
how tightly packed mattef (stuff) is in a specific volume(spa…
cold fluids more dense ... hot fluids less dense
global winds
convection
the movement of heat in a liquid
density
how tightly packed mattef (stuff) is in a specific volume(spa…
10 terms
Convection
Convection
Convection Currents
Conduction
Radiation
Transfer of energy by flow of material... EX: winds, fire in a h…
Convection in liquids and gases creates a current... EX: heating…
Transfer of energy by molecules bumping into one another... EX:…
Transfer of energy in forms of waves/rays... EX: sun rays, micro…
Convection
Transfer of energy by flow of material... EX: winds, fire in a h…
Convection Currents
Convection in liquids and gases creates a current... EX: heating…
10 terms
Convection
What is convection?
How does it work?
In which states does it work?
What is a convection current?... Explain…
Heat rising
Warm liquid/gas expands as it becomes less dense so it rises…
Liquid and gas.
The flow of hot gas or liquid, carrying heat energy with it.…
What is convection?
Heat rising
How does it work?
Warm liquid/gas expands as it becomes less dense so it rises…
7 terms
Convection
Where does convection take place?
Explain convection.
Give 3 examples where convection occurs.
Why can't convection occur in solids?
in liquids and in gases
convection occurs when the more energetic particles move from…
in immersion heaters in kettles, hot water tanks and in conve…
because the particles cannot move
Where does convection take place?
in liquids and in gases
Explain convection.
convection occurs when the more energetic particles move from…
11 terms
Convection in the Earth
Inner Core
Outer Core
Mantle
Crust
Hottest layer of the Earth that is solid iron and nickel.
Second hottest layer of the Earth that is liquid iron and nic…
Largest layer of the Earth that is made of magma. Convection…
Thinnest layer of the Earth. This layer is broken into plates…
Inner Core
Hottest layer of the Earth that is solid iron and nickel.
Outer Core
Second hottest layer of the Earth that is liquid iron and nic…
11 terms
Convection and Density
Convection
Density
Less dense materials
More dense materials
Movement of thermal energy through a fluid.
The amount of mass in a given volume.
Rise
Fall
Convection
Movement of thermal energy through a fluid.
Density
The amount of mass in a given volume.
9 terms
Schmidt Convection
forced convection
convection
current
kinetic energy
a furnace that blows or forces air into ducts
movement of heat through gas or liquid by currents
liquid or gas moving
a measurement of how much a particle moves
forced convection
a furnace that blows or forces air into ducts
convection
movement of heat through gas or liquid by currents
13 terms
Convection 2
convection
liquid
gas
density
Process by which, in a fluid being heated, the warmer part of…
A state of matter that has no definite shape but has a defini…
A form of matter that does not have a definite volume or shape.
A measure of the amount of a material in a given amount of sp…
convection
Process by which, in a fluid being heated, the warmer part of…
liquid
A state of matter that has no definite shape but has a defini…
9 terms
Convection 1
convection
liquid
gas
density
Process by which, in a fluid being heated, the warmer part of…
A state of matter that has no definite shape but has a defini…
A form of matter that does not have a definite volume or shape.
A measure of the amount of a material in a given amount of sp…
convection
Process by which, in a fluid being heated, the warmer part of…
liquid
A state of matter that has no definite shape but has a defini…
5 terms
convection vocabulary
convection
convection cell
energy transfer
fluid
heat transfer in a fluid in which hot fluid rises and cold fl…
mass of fluid flowing in a cycle in n area
the movement on energy from one place or to form another;the…
substance that can flow, such as a gas or liquid
convection
heat transfer in a fluid in which hot fluid rises and cold fl…
convection cell
mass of fluid flowing in a cycle in n area
11 terms
Heat Convection & Convection Currents
The process by which heat or electrici…
The transfer of heat due to an actual…
The transfer of heat without any mediu…
Through which process of heat transfer…
Conduction
Convection
Radiation
Radiation
The process by which heat or electrici…
Conduction
The transfer of heat due to an actual…
Convection
10 terms
Convection Vocab
Convection Currents
Wind
High Pressure
Low Pressure
the upward movement of warm air and the downward movement of…
Air in motion
A mass of sinking cool air that usually bring fair weather.
A mass of rising warm air that usually bring wet, stormy weat…
Convection Currents
the upward movement of warm air and the downward movement of…
Wind
Air in motion
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