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WorksheetsSC F2 DLP C9 HEAT [9.1&9.2]
Total questions: 25
Worksheet time: 19mins
Which of the following is true about heat?
Heat is a form of energy.
Heat can only be transmitted through a medium.
S.I. unit of heat is degree Celsius.
The heat content in an object is influenced by the surface area.
Which of the following pair is correct?
Temperature: K ; Heat: J
Temperature: kJ ; Heat: °F
Temperature: °C ; Heat: kg
Temperature: Nm ; Heat: K
Temperature depends on
the degree of movement of the particles in a matter
type of material
quantity of material
We measure temperature by using _________________
burette
thermometer
pipette
ruler
When water is heated, its temperature increases.
True
False
Heat transfers from ______ objects to _____ objects.
cold to hot
hot to cold
What type of heat transfer is occurring in the picture below? (the pan is touching the burner)
conduction
convection
radiation
insulation
picture shows heat flows through
conduction
convection
radiation
Which situation involves radiation of heat?
Boiling water in a kettle
Melting metal in a furnace
Warming up in front of a fireplace
Forming dew drops on a leaf
Diagram shows an activity conducted by a student. It is found that the spiral - shaped cardboard rotates. What inference can be made from the activity?
Hot air above the candle rises through radiation
Hot air above the candle rises through convection
Hot air above the candle rises through conduction
Hot air above the candle propagate through vacuum and rises
Energy from the Sun travels to Earth as
Conduction
Convection
Insulation
Radiation
Which of the following is NOT a heat insulator?
Heat insulators are ______________________
materials that prevent heat flow
materials that allow heat flow
Cherry needs a ladle to take some boiling soup from the pot. Help Cherry to choose the best ladle.
The following are heat conductors EXCEPT
Malik added 100 ml of hot water of temperature 80°C into container W, X, Y and Z respectively. Then, he measures the temperature of water in each container after 15 minutes. The table shows the result of his finding. Which container is the best heat insulator?
W
X
Y
Z
Which of the following describes sea breeze?
(Select more than one answer.)
Happen during the day
Sea heat up faster compared to land
Hot air above sea become less dense and rises
Cold air from sea replace the air above the land
A girl is standing facing the seaside. What causes her hair to be blown back as in the illustration?
Sea breeze
Land breeze
What is this natural phenomenon?
Sea breeze
Land breeze
Global warming
Rain formation
Which of the following is NOT true about land breeze?
It occurs at night.
It blows from the land to the sea.
It occurs because the sea is warmer than the land.
It occurs because the land heats up faster than the sea.
Which object would best complete this circuit?
A dry cell
A wool string
A copper wire
A rubber band
What should be use to repair the damaged wire?
cloth
aluminium foil
rubber tape
Which of the following is NOT an example of heat flow through convection in our daily life?
