4 The total amount of energy in the universe is always the same but can be transferred from one energy store to another during an event

Worksheet 5.1: Picture puzzle

WORKSHEET Workshop

Teaching aids:

Worksheet

Procedure:

The picture on the worksheet or another suitable picture can be used. The instruction is: “Look at the picture! What needs electricity? Mark in the picture and write down!“

Possible solution:

E. g. lamp, air conditioning, stove, fridge, washing machine, dryer, heating system etc. depending on the selected picture.

Note: Some of the items may not be recognized by the students (e. g. air conditioning) or theydon’t know that they need electricity (e. g. heating, car). This must/should not be corrected. In this worksheet it is not important, that the students recognize every aspect. Instead of this, the students should collectdifferent examples for thesubtask 2. If there are different opinions whether electricity is needed or not, the teacher can encourage the students to discuss this at the class. For this she/he the followingappropriate key questions can be used: “How can I notice whether electricity is needed? What about the object to be clarified?“