heat + cool

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  • Created by: disneyno1
  • Created on: 29-04-14 18:41
what is the difference between heat and temperature
temperature is the measure of how hot or clod something is and heat is the measure of energy given out
1 of 10
what is expansion
the atoms vibrate more and push each over further apart
2 of 10
what uses are there for expansion
bridges, joints ect
3 of 10
what allowances are taken for expansion and conduction
telegraph wires, oven shelves
4 of 10
what is conduction
the heat energy travels from left to right the atoms at the hot end vibrate more and cause there neighbours to vibrate more
5 of 10
explain heldrcc
the air is heated and expands making it less dense and rises more air will take its place causing convection currents
6 of 10
explain radiation
heat radiation travels as a wave and does need particles. it can travel through space and so is the method by which energy reaches us from the sun
7 of 10
what are good absorbers
dark surfaces
8 of 10
how does a vacuum flask work
the inner wall are a shiny surface so that they will reflect heat back into the flask
9 of 10
name 3 this which keep heat inside a house
curtains, double glazing, carpets
10 of 10

Other cards in this set

Card 2

Front

what is expansion

Back

the atoms vibrate more and push each over further apart

Card 3

Front

what uses are there for expansion

Back

Preview of the front of card 3

Card 4

Front

what allowances are taken for expansion and conduction

Back

Preview of the front of card 4

Card 5

Front

what is conduction

Back

Preview of the front of card 5
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