SC-1421
Convection
Lower Sec Science · Secondary 2 · Medium · Convection
A student heats water in a beaker using a Bunsen burner. After a while, the water near the top of the beaker also becomes hot.
Which process in the water causes this?
Which process in the water causes this?
- Convection currents in the water transfer heat upwards.
- Conduction through the air above the beaker heats the top water.
- Radiation from the flame directly heats only the top water.
- Evaporation at the surface cools the top water.
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