Activity 2: Beat the heat!
Answer the following questions and then identify the factor that may affect the
amount of heat that can be transferred in the given situations.
Situation/Question
Answer
Factor Affecting
Amount of Heat
Transferred
(mass of the material,
temperature difference,
specific heat capacity)
mass of the material
(they have the same
temperature but the half
cup of hot chocolate drink
will have more mass than
the drop of hot chocolate
the right hand
drink)
ex You are drinking a cup of hot
chocolate drink. As you drink, half
of the cup of hot chocolate drink
accidentally poured on your right
hand and just a drop lands on
your
left hand Which of your two
hands
do you think will feel more heat?
1. You are holding the same amount
and temperature of hot coffee
placed inside 2 different
containers of the same mass, a Styrofoam
Cup and a paper cup Which container
can transfer more heat to your
hands?
2. You are using two ladles of the
same mass in cooking beef stew or
"nilagang baka a metal ladle and
a wooden ladle. Which ladle can
absorb more heat from the stew
and can transfer more heat to your
hands?
3. You are serving your 2 visitors with
different temperatures of water to
mix with their powdered calamansi
juice which can transfer more
heat
to the surrounding air, a cup of
cold
water or a cup of boiling water?
4. You left 2 containers of boiling
water on the dining table to cool for
a few minutes, a cup of boiling
water and a teapot of boiling water
Which container can transfer more
heat to the surrounding air?
Answer the following questions and then identify the factor that may affect the
amount of heat that can be transferred in the given situations.
Situation/Question
Answer
Factor Affecting
Amount of Heat
Transferred
(mass of the material,
temperature difference,
specific heat capacity)
mass of the material
(they have the same
temperature but the half
cup of hot chocolate drink
will have more mass than
the drop of hot chocolate
the right hand
drink)
ex You are drinking a cup of hot
chocolate drink. As you drink, half
of the cup of hot chocolate drink
accidentally poured on your right
hand and just a drop lands on
your
left hand Which of your two
hands
do you think will feel more heat?
1. You are holding the same amount
and temperature of hot coffee
placed inside 2 different
containers of the same mass, a Styrofoam
Cup and a paper cup Which container
can transfer more heat to your
hands?
2. You are using two ladles of the
same mass in cooking beef stew or
"nilagang baka a metal ladle and
a wooden ladle. Which ladle can
absorb more heat from the stew
and can transfer more heat to your
hands?
3. You are serving your 2 visitors with
different temperatures of water to
mix with their powdered calamansi
juice which can transfer more
heat
to the surrounding air, a cup of
cold
water or a cup of boiling water?
4. You left 2 containers of boiling
water on the dining table to cool for
a few minutes, a cup of boiling
water and a teapot of boiling water
Which container can transfer more
heat to the surrounding air?
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Answers & Comments
Answers:
1. Paper cup can transfer more heat to your hand because it's thinner compared to a styrofoam which is thicker.
2. The metal ladle will absorb more heat and transfer the heat to your hand compared to the wooden ladle because the wood is denser. Because a metal conducted heat faster that it feels colder than the wood, which conducted heat slower. They feel different temperatures, but they are actually the same.
3. Obviously the boiling water. Hot water evaporates faster than cold water because the molecules of hot water have more energy to escape the surface and turn into a gas molecule. When a water molecule does this, the molecule becomes a molecule of water vapor (or steam).
4. : Assuming a teapot full of water has a greater volume than a cup of water, then the teapot of water can transfer more heat. Since the other two factors are the same, the greater mass of water in the teapot accounts for the greater amount of heat.
Answer:
project po yan
Explanation:
intindihin munang mabuti at mag pa tulong ka sa parents mo or guidance