Energy+transfers

__Task:__
==**Discuss the comments of these people. Give a score of 0 to 4 for each comment. ** == ==**Scores: ** == ==**0 certainly disagree ** == ==**1 probably disagree ** == ==**2 don’t know ** == ==**3 probably agree ** == ==**4 certainly agree ** ==

Discuss the following ideas with a friend, how do your opinions differ, who's correct?



How do you differ from a cup of tea?




 * Different thermometers comprehension activity!**



Here are some useful temperatures to think about!



Think about the effect of heat energy on the particles in a solid, liquid and gas!



__**Homework 1:**__ When anything happens energy changes occur, all your appliances at home convert energy, they don't use it - try to break the habit of saying energy is used, it is always only changed from one form to another. In these cases Electrical energy changes to kinetic, sound or heat energy.

__What happens when we heat a substance, **how is heat transferred???**__
=<span style="font: normal normal normal 11.5px/normal Helvetica; line-height: 0px; margin: 0px; overflow-x: hidden; overflow-y: hidden;">Expansion of solids occurs when heated due to the vibrations of the particles, they take up more space because they vibrate back and forth = = = =<span style="font: normal normal normal 11.5px/normal Helvetica; line-height: 0px; margin: 0px; overflow-x: hidden; overflow-y: hidden;">more vigorously, **the particles __don'__t grow or expand!!! ** =



Convection, conduction and radiation



Good conductors investigation! Read the sheet carefully you will be expected to have completed all the activities on the sheet.!



Revision