6.+Eilish

RESULTS (for 100 mL Water):
of the liquid (° C) || Rise in temperature (° C) || Names in Group ||
 * |||| Temperature
 * ^  || Initial || Final ||^   ||
 * Colourless bottle || 21 || 27 || 6 || Liziana, Heetasha and Ann ||
 * Red can || 21 || 26 || 5 || Maddie, Eilish, Paula ||
 * Blue can || 21 || 25 || 4 || Amy Jessie Erin Priya ||
 * Blue can || 20 || 26 || 6 || Callayne Lily Chloe ||
 * Silver can || 21 || 24 || 3 || Sarah, Hra, Livvy ||
 * Silver can || 21 || 24 || 3 || Stefie, Greta, Kate, Gabby ||
 * Green can (long) || 21 || 27 || 6 || Stefie, Greta, Kate, Gabby ||
 * Black can (long) || 21 || 26 || 5 || Alice,Taylor,harriet,Tessa ||

CONCLUSION: 1. Describe one possible trend in the data. The silver can did not rise in temperature as much as the other cans.

2. Explain why we can only say it is a 'possible' trend. Because it is dependent on the weather and how long the cans are in the sun for, also where the cans are placed.

DISCUSSION: 1. Explain the trend above in terms of how heat moves. The sun's radiation heats the cans, the silver cans didnt get as hot because it is a better reflector of the sun.

2. Discuss how the experiment could be improved. The can' could e put out in the sun for longer and could be painted the desired colour instead of relying on the colour of the actual can.

__**Convection -**__ Process by which heat is transferred by movement of a heated fluid such as air or water. Most fluids expand when heated. They become less dense and more buoyant, and so rise. The heated molecules eventually cool, become more dense, and sink. This repeated process sets up convection currents that account for the uniform heating of the air in a room or water in pot.



__**Conducting -**__ Conduction is heat transfer by means of molecular agitation within a material without any motion of the material as a whole. If one end of a metal rod is at a higher temperature. then energy will be transferred down the rod toward the colder end because the higher speed particles will collide with the slower ones with a net transfer of energy to the slower ones. Metal is a better conductor of heat than plastic. An example of conducting is a pan for cooking food because the whole pan gets hot even though only the bottom is touching the element.



__**Radiation -**__ Radiation is heat transfer by the emission of electromagnetic waves which carry energy away from the emitting object. For example the sun heats the earth by using radiation.



Overall it showed that heating up the liquids on the element made the temperatures rise. the liquid that was measured at 40mL was hotter than the liquid that was measured 80mL. The oil was hotter than the water when it came off the element.
 * __Heat experiment__**