WHO WANTS TO BE A MILLIONNAIRE

1
WHO WANTS TO BE A MILLIONNAIRE?
2
100
Which is the best conductor of heat?
A Iron
B Copper
C Plastic
D Wood
3
200
Which would cause a hot air balloon to rise?
A Conduction
B Convection
CRadiation
DEvaporation
4
300
The scientific name for movement energy is
A Potential energy
B Kinetic energy
C Nuclear energy
D Chemical energy
5
500
Electric fires have shiny curved back plates to
A catch dust
B look good
C Reflect heat by radiation
D Reflect heat by shinyism
6
1000
How does heat transfer from the Sun to the Earth?
A by conduction
B by evaporation
C by convection
Dby radiation
7
2000
The most efficient colour for radiators is
A white
B black
C silver
D cream
8
4000
Thick woolly jumpers reduce heat loss mainly
because
A Wool is warm
B Wool is a good radiator
C Wool traps pockets of still air
D Wool collects heat
9
8000
Heat convectors rely on the fact that
A Hot air rises
B Hot air falls
C Cold air rises
D Cold air falls
10
16,000
We pay for electricity in units of
A hours
B kilograms
C amps
D kilowatt-hours
11
32,000
Metals are
A good conductors of heat
B bad conductors of heat
C always cold
D always hot
12
64,000
Which energy change takes place in an electric
kettle?
A heat to electrical
B nuclear to heat
C electrical to heat
D kinetic to potential
13
125,000
Which reduces heat loss from a house?
A Cavity wall insulation
B a new coat of paint
C radiator thermostats
D a new boiler
14
250,000
Women in hot muslim countries wear black because
A Black is a poor radiator of heat
B Black is a good radiator of heat
C Black is a poor conductor
D Religious reasons
15
500,000
Coal miners used to light fires in the bottom of
mine shafts to
A to keep them warm by conduction
B to remove poisonous gas by convection
C to keep warm by radiation
D to trap pockets of still air
16
1,000,000
U-values describe
A how good a material is at reducing heat loss
B chill factor caused by strong winds
C how good surfaces are at radiating heat
D how good duvets are at retaining heat