Worksheetsclass 7 science heat
Total questions: 20
Worksheet time: 11mins
______________ is the mode of heat transfer in liquids and gases
Conduction
Radiation
Convection
which mode of heat transfer is this?
conduction
convection
radiation
which thermometer is used to measure temperature of an object?
clinical thermometer
laboratory thermometer
maximum minimum thermometer
If you dropped a hot rock in a bucket of cold water the rock will
Stay the same temperature
become cooler
become hooter
Melt
When we hold our hand close to the side of a flame , they get warmed up mainly due to
Conduction as well as convection
Conduction
Convection
Radiation
Heat
Insulators of heat is
Rubber
Wood
Plastic
Graphite
Metal
The reading of the laboratory thermometer , in the figure shown here , is -
19
18
17
19.5
18.5
Water is ---------------- conductor of heat
Bad
Good
Temperature
Radiation
Degree
Which mode of heat transfer is this
Convection
Conduction
Radiation
What is normal temperature in digital thermometer
98.7 degree
99.9 degree
98.6 degree
100.1 degree
97.6 degree
Which of the following thermometer is to check whether
Temperature thermometer
Maximum - Minimum thermometer
laboratory thermometer
Digital thermometer
Mercury thermometer
Fahrenheit scale ranges from
94 degree to 108 degree
94 degree to 106 degree
94 degree to 102 degree
94 degree to 105 degree
92 degree to 108 degree
Where does the initial source of energy come from that creates wind
Sun
Moon
Mars
Mercury
Venus
Which thermometer is used to measure temperature of object
Digital thermometer
Mercury thermometer
Laboratory thermometer
------------ is the mode of heat transfer in liquid and gases
Radiation
Convection
Conduction
Is 38 Celsius is normal temperature of human body
True
False
Air is poor conductor of heat
Yes
No
Temperature is measured by device called
(a)
