WorksheetsHEAT ABSORPTION AND EMISSION
Total questions: 10
Worksheet time: 5mins
Oil tanks are painted with shiny aluminium paint because...
Aluminium paint is a poor heat absorber but a good heat reflector
Aluminium paint is a good heat absorber but a poor heat reflector
The silver surface of the teapot retains heat longer. This is because
The silver is a weak heat radiator
The silver is a good heat radiator
Walls of a house are painted with bright colours because
Bright surface are a good heat absorber
Bright surface are a poor heat absorber
Why is avoiding black coloured shirt during activities under the hot Sun a good idea?
Black are weak heat absorber
Black are good heat absorber
What is the feature of the wall of a thermos flask that allows it to maintain the temperature of hot water for a long time?
The outer walls are usually painted with black colours to avoid heat emission from the inside
The inner walls are usually made out of shiny material such as aluminium to avoid heat loss
The inner walls are usually made out of dark and dull material to avoid heat loss
The outer walls are usually painted with black colours to absorb heat
Which can is a better heat absorber and radiator
The dark can
The white can
Which car absorbs more heat if place under the Sun?
The car on the right
The car on the left
If we filled both glass with hot coffee, which cup of coffee will probably cools down faster, given thay both cup made up of the same material?
The black cup
The white cup
Which surface is a better heat absorber and radiator
Dark, dull surface
White, shiny surface
Which surface is a better heat reflector?
Dark, dull surface
White, shiny surface
