radiation Flashcards
1
Q
what are the factors of losing heat?
A
size, temperature and colour
2
Q
are smaller objects or large objects able to lose heat faster?
A
smaller objects lose heat easily as they have a higher surface area
3
Q
how to reduce heating costs?
A
turn down the temperature
4
Q
heat can be radiated as a wave of what coloured light?
A
infra-red light
5
Q
which colored objects give out more heat?
A
black / dark colours
6
Q
which colored objects will give out less heat?
A
white / silvery colors
7
Q
what also affects how much heat is being absorbed?
A
the colour
8
Q
which colored object absorbs more heat?
A
black / dark colours
