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Sagot :
words from the word boxes below, complete the paragraph about heat transfer.
faster hot less solid fluid
conduction more convection energy emit
warmer matter transfer absorb temperature
radiation contact cold vibrate waves
All _____________ has heat. Heat is a form of __________ caused by particles in an object that
_______________. The _____________ the particles of an object vibrate, the _____________ the object
will be. Because particles of an object are always moving, heat __________ is always happening. Heat always
flows in the same direction: from ______ to ______. Heat transfer will stop once two objects reach the
same _____________________. This is known as equilibrium.
There are three key ways that heat transfers. With ________ objects, heat transfers when the objects come
into direct ____________ with other things. This is known as __________________. Liquids and gases are
different. Because these two states of matter flow, or are ___________, heat transfer happens when
warmer, _______ dense particles rise and cooler, ______ dense particles sink. This ongoing process is
known as a _______________ current. Heat can also be transferred through space (distance) in the form of
_________. This process is known as ___________________. All objects give off, or _______, some heat.
All objects also take in, or ________, heat.
Identify the method of heat transfer that takes place in each illustration. Write the
method of heat transfer underneath the picture.
matter energy
vibrate faster warmer
hot transfer cold temp
contactconductionfluid
lessmore
convection
waves radiationemit
absorb
radiation
convection
Answer:
matter
energy
vibrate
faster
warmer
transfer
hot
cold
temperatures
conduction, convection, radiation
contact
Conduction
fluid
less
more
Convection
waves
Radiation
emit
absorb
Explanation:
All matter has heat. Heat is a form of energy caused by particle in an object that vibrate. The faster particles of an object vibrate, the warmer the object will be. Because particles of an object are always moving, heat transfer is always happening. Heat always flows in the same direction: from hot to cold. Heat transfer will stop once two object reach the same temperatures. This is known as equilibrium. There are three keyways that heat transfers. With conduction, convection, radiation objects, heat transfers when the objects come into direct contact with other things. This is known as Conduction. Liquid and gases are different. Because these two states of matter flow, or are fluid, heat transfer happens when warmer, less dense particles rise and cooler, more dense particles sink. This ongoing process is known as a Convection current. Heat can also be transferred through space (distance) in the form of waves. This process is known as Radiation. All objects give off, or emit, some heat. All objects also take in, or absorb, heat.
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