Heat Transfer 1
Heat Transfer 2
Heat Transfer 3
Heat Transfer 4
Heat Transfer 5
100
What type of heat transfer is when hot fluids rise and cool fluids sink?
What is Convection
100
Heat moves from the _____ object to the ______ object.
hotter ; cooler
100
True/False: Heat Transfer take place until both objects have the same amount of energy.
True
100
What is Heat Transfer? (3 facts)
Heat transfer is when an object transfers its energy from one source to another.
Heat Transfer travels from the object with the most energy to the least energy.
Heat Transfer transfers energy until both items have the same amount of energy.
100
water heats in a pot
what is convection
200
The transfer of heat energy from the sun to Earth.
Radiation
200
In order for heat to be transferred by conduction the objects must be _______________.
What is touching
200
Accidently burning your hand on a hot metal pan.
Conduction.
200
butter melting when it comes in contact with hot corn
Conduction
200
Name all modes of heat transfer.
conduction, convection and radiation
300
What type of heat transfer occurs through direct contact when objects are touching?
What is Conduction
300
What method of heat transfer is this?
Conduction (energy transfer via contact)
300
Radiation is when _____________ waves travel through space, without direct contact.
electromagnetic
300
cooking spatulas are made of plastic because...
they are an insulator, and do not let the heat pass through
300
What method of heat transfer is shown here?
Convection heating (hot fluid rises, cool fluid sinks)
400
What method of energy transfer is this?
(Description: Heat flows from the hotter cup into the cooler hands. )
Conduction (energy transfer via contact)
400
As water is heated, it expands and becomes less dense, this is called
what is thermal expansion
400
When something heats up the speed of the molecules...
what is speed up/ increase in speed
400
Feeling the warmth from a campfire.
Radiation
400
What is the Earth's biggest source of radiation?
What is the sun
500
Cold air sink and warm air rise because
What is cold air more dense and warm air less dense
500
What is an insulator?
An insulator stops energy from either entering or leaving an object
500
Explain why it’s much colder at the bottom of a pool than at the top.
Convection makes the cool water sink and the hot water rise.
500
What is a Conductor?
Is an object that helps energy transfer from one location to another.
500
This colored materials absorb less infrared heat energy
what is light colored
600
Which type of heat transfer is responsible for winds and precipitation, playing an important role in Earth's weather patterns.
Convection
600
Radiation travels in this location where there is no matter present.
What is space
600
An object that is dull and dark will
What is absorb more energy
600
Thermal energy is
What is the kinetic energy of atoms
600
What method of heat transfer is shown in the photo?
It is showing heat radiation