6.+Hira

**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 more darker the color of your can is the more warmer the water in the can gets.

2. Explain why we can only say it is a 'possible' trend. It is only a possible trend because we have to do more than just one test to get the proper results for it to be true. There could be other trends, for instance where each can is placed/the way the sun is facing on the can etc, because if we do not double check it may not be true.

DISCUSSION: 1. Explain the trend above in terms of how heat moves.

2. Discuss how the experiment could be improved.

**Heat and Temperature**

This expriment showed that the more liquid there is to heat up, the slower it will heat up. The difference between the oil and the water was that oil heats faster than water.

**How Heat Moves**

**Conduction** is when heat from one substance moves to another substance by direct contact. A good example of this is holding a metal spatula in a candle flame, soon the end of the spatula gets hot, and this is heat moving by conduction.

**Radiation** is heat energy carried by energy waves (infrared waves) that we cannot see. They move straight from one substance to another substance, without having any direct contact. A good example of this is the sun. The Sun sends infrared waves to Earth and therefore because of this the earth gets warm.

**Convection** is the transfer of heat energy by liquids and gases (fluids). A good example of liquid convection is water boiling in a pot. The water in the pot moves in circles, these moving circles are convectional currents, when the water at the bottom of the pot warms up itself on the top of the rest of the water moving the cooler water down to the bottom, this cycle happens many times. A good example of a gas (fluid) convection is a radiator heater.

**//__ My Devices: __//**

My **conduction** device is… a laptop. When a laptop keeps running for a long time it sends out heat from the insides and soon the laptop is hot!

My **radiation** device is… a heater. The heater heats up and sends heat waves and makes us warmer!

My **convection** device is… a kettle. The water inside the kettle boils and sends out steam which is hot!