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WorksheetsSpecific Heat Capacity Physics 4.2 Form 4
Total questions: 80
Worksheet time: 1hrs 3mins
What is the difference in temperature of sand and sea water at the beach?
Sand is cold
Sand is hot
Sea water is cold
Sea water is hot
The sun heats up the sand and sea water at the same period of time. However, the sun gets hot ________ and sea water gets hot _____ .
Quickly, slowly
Slowly, quickly
Statement before can be explained based on the concept of
(a)
Different objects have __________ heat capacity.
Same
Different
State the conclusion of sand and sea water.
Sand has a _____ heat capacity and gets hot ______ while sea water has a _____ heat capacity and gets hot ______
(a)
State the meaning of heat capacity
(a)
What is symbol of heat capacity
X
C
Y
Q
What is symbol of quantity of heat supplied
X
C
Y
Q
What is symbol of “change in temperature”
X
Y
∆θ
J
What is unit for heat capacity
°C
J °C
J °C^-1
J °C^-2
What is the fomula of heat capacity?
Quantity of heat supplied X change in temperature
Quantity of heat supplied devides change in temperature
When 100 J of heat is supplied to objects X and Y, object X experiences a ____ in temperature of __°C and object Y __°C
Fall, 1, 2
Fall, 2, 1
Rise, 1, 2
Fall, 2, 1
Lower, increase, high
Higher, decrease, less
Lower, decrease, high
Higher, increase, less
What is the relationship between heat capacity and the mass of the object?
(a)
The water in a full kettle takes a ________ time to boil compared to the water in a half-filled kettle.
Shorter
Longer
why the water in a full kettle takes a longer time to boil compared to the water in a half-filled kettle?
(a)
Daily situations involving heat capacity.
Sand and sea water
Large bowl and small bowl
Dashboard and cushion
Full kettle and half-filled kettle
Cement court and grass
Which one is hotter after being left to cool for some time?
Large bowl
Small bowl
Between dashboard and cushion, which one has a lower heat capacity?
Dashboard
Cushion
The dashboard experience a higher rise in temperature compared to the cushion because of (a) .
When there is significant difference in temperature between grass and sement court?
morning
noon
night
Engineer will choose a suitable metal as building material. What characteristics of material that he needs?
(a)
Why he needs to make his choice based on specific heat capacity?
(a)
Engineer has to choose the material based on the heat capacity of every ___kg of each material.
1
2
4
10
State the definition of specific heat capacity.
(a)
What is the symbol of specific heat capacity.
(a)
Quantity of heat supplied must be in
kg
Joule
K
°C
What is the symbol of mass
(a)
Change of temperature can be in
Kg
J
°C
K
What is formula of specific heat capacity?
(Quantity of heat suppied) X (mass X change of temperature)
(Quantity of heat suppied) devide (mass X change of temperature)
(mass X change of temperature) X (Quantity of heat suppied)
(Quantity of heat suppied) devide change of temperature
Unit for specific heat capacity.
J kg^1 K^-1
J kg^-1 C^-1
J kg^1 C^-1
J kg^-1 K^-1
Quantity of heat that is absorbed or released by an object can be determined using the formula
Change in temperature devide mass
Mass devide change in temperature
Mass X change in temperature
The specific heat capacity of the metal aluminium is 900 J kg^-1°C^-1. This means 1 kg of aluminium requires (a) J of heat to raise its temperature by 1°C
State three substance of liquid
Sea water
Water
Copper
Ethanol
Steam (at 100°C)
State three substances of liquid
Paraffin
Mercury
Cooking oil
Glass
Olive oil
State three substances of metal
aluminium
Iron
Polycarbonate
Neon
Copper
State three substances of metal
Paraffin
Methane
Gold
Mercury
Lead
State three substances of non-metal
Neon
Polycarbonate
Copper
Wood
Concrete
State three substances of non-metal
Sand
Glass
Neon
State three substances of gas
Methane
Paraffin
Steam (at 100°C)
Neon
Air
What is water
(a)
Why is water need to absorb a large amount of heat?
(a)
Why is water is a goood cooling agent?
Has high specific heat capacity
Have a small rise in temperature
Absorbs a large amount of heat
All above
Metal on the other hand has _____ specific heat capacity compared to non-metal
Higher
Lower
Metal on the other hand has lower specific heat capacity compared to non-metal. State the conclusion
(a)
The specific heat capacity for water is _______ compared to metals such as aluminium.
Higher
Low
What is the function of immersion heater?
(a)
How we can find heat energy supply by the immersion heater
Period of time heater is switched on X change in water temperature
period of time heater is switched on devide power of heater
Power of heater X period of time heater is switched on
Power of heater devide period of time heater is switched on
Symbol of heat energy supply by the immersion heater
P
Q
R
S
How can we find change in water temperature
Final temperature plus initial temperature
Final temperature minus initial temperature
Final temperature devides initial temperature
Final temperature times initial temperature
Q = mcΔT
what stands for m
(a)
Q = mcΔT
what stands for c
(a)
Power of immersion heater must be calculated in
(a)
Heating time must be calculated in
(a)
Initial and final temperature must be calculated in
K
°C
This formula shows is to find
(a)
What conclusion can be made from this experiment.
(a)
Why is the final water temperature is not taken as soon as the five minute heating time ends?
(a)
Suggest methods to increase the accuracy of the results of the experiment
(a)
What can be done to obtain a better thermal contact between the bulb of the thermometr and the aluminium block
(a)
Wood has a _____ specific heat capacity and gets hot _______.
High, fastly
low, fastly
High, slowly
Low, slowly
In warm weather regions, traditional houses are built from wood which functions as an (a) from the scorching sun.
Woks are made of metal with______ specific heat capacity.
High
Low
Why food can be fried in woks at high temperature in a short time?
(a)
Clay pots on the other hand are made of clay which has a high (a) .
Clay pots that are made of clay which has a high specific heat capacity helps food (a) .
Burning of fuel in car engines produces large amounts of (a) .
Why heat needs to be released?
(a)
why water is use as a cooling agent
(a)
why water will flow through the engine block
(a)
Why cold air is sucked in by fans ?
(a)
Space capsule on its journey back to earth encounters air resistance when entering the atmosphere. This friction increases the temperature in causes the space capsule to (a) .
The outer layer of the space capsule is made from substance with a (a) .
i. styrofoam insulating board
ii. concrete sheet
iii. cement layer
Arrange materials base on production of latest materials in the construction of green buildings
i, ii, iii, iii
i, iii, ii, iii
iii, i, iii, ii
iii, ii, i, iii
Styrofoam has a _____ specific heat capacity and can ________ search exception of heat from the surroundings to reduce the temperature ______ the building
high, enlarge, inside
high, reduce, inside
low, enlarge, outside
high, enlarge, outside
why the body of pot is made of aluminium which has low specific heat capacity ?
(a)
The handle of the pot is made from plastic which has a high specific heat capacity that (a) .
Why did temperature and land rises more quickly then temperature in the sea during daytime?
(a)
The air on land becomes _____ and rises _____
cold, upwards
cold, downwards
hot, upwards
hot, downwards
Sea has a _______ specific heat capacity than land.
Higher
Lower
