This is the kitchen area of a staff room. The teacher has been drinking a glass of cool
water from the fridge. She is heating some water in the electric kettle for her colleagues’
coffee and also some milk in a saucepan on the gas stove.
Tell me about energy in this situation (focus on the stove, kettle and drinks)
25. The water has energy even before the kettle is switched on.
true ( ) false ( ) don’t understand ( ) not sure ( )
26. Energy is being transferred from the air of the staff room to the cold drink on the
fridge.
true ( ) false ( ) don’t understand ( ) not sure ( )
27. It makes no sense to talk about the efficiency of something like a kettle.
true ( ) false ( ) don’t understand ( ) not sure ( )
28. Electric kettles are efficient because they are a very convenient way of boiling water.
true ( ) false ( ) don’t understand ( ) not sure ( )
29. Reusable milk bottles are a better use of energy than disposable milk cartons.
true ( ) false ( ) don’t understand ( ) not sure ( )
30. Gas should be used sparingly to preserve fossil fuels.
true ( ) false ( ) don’t understand ( ) not sure ( )