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Heat and temperature
Lower Sec Science · Secondary 2 · Hard · Heat and temperature
A student records the temperature of water in a container every minute as it cools from 60 °C to 40 °C over 10 minutes.
Why does the water cool down?
Why does the water cool down?
- Heat flows from the hotter water to the cooler surroundings.
- Heat flows from the cooler surroundings into the hotter water.
- The water loses coldness to the surroundings, so it cools.
- The temperature falls because no heat is transferred at all.
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