1. learning goals
2. intro to heat and conduction notes
3. more conduction applications
4. convection notes (coming soon)
5. convection applications abnd questions(coming soon)
6. radiation notes (coming soon)
7. radiation apllications (coming soon)
8. summary tables and common questions (coming soon)
9. answers and extra comments (coming soon)
no 1-9 can all be found in the june archives just read from bottom post to top post^_^ thanks
btw just ignore visitor contents the tagboard will be uploaded at the etcetc so hope the navigation isnt a huge problem ya....
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Name: jaclyn chua Also: in 3a2.
hi, yes yes so this is my physics notes and first aid blog. which hopefully by the end f the holidays would cover most of the topics needed and all the importatnt notes and exercises needed for revision.
the notes are still being updated. the late updates are due to house under renovation and being ill for a long time so please excuse the lack of posts T_T they'll be all up veryvery very soon...
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convection
convection
convection is the main mode of heat transfer in fluids such as air and water
when a fluid is heated it expands. the density of the fluid decreases and the hot fluid moves upwards. heat is then tranferred by the movement of the fluid that moves from he bottom to the top. streams of warm moving fluids are called convection currents
in the experiment below you will see that the color will move along the convection current.
molecular account of convection in liquids.
in liquid and gases, molecules are constantly moving form one place to another in a random manner.
when a liquid is heated, liquid molecules gain more energy and move at great speeds upwards. therefore the heat is being transported upwards
when the heated molecules move up, they ar replaced by otehr molecules which in turn are also heated up .
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