Natural sciences
Energy transfers and forces
Educator section
Memorandum
Any suitable/relevant definition/meanings are acceptable.
Leaner section
Content
1. what is energy
Activity 1: to understand the use of the term “energy” in a broad sense [lo 2.1]
Read the above newspaper headlines attentively. The word energy occurs in each one. Discuss the meaning of this word in your groups.
(a) Write your own definition for the word.
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(b) Discuss three different meanings of the word as used in the headlines.
(i) __________________________________________________________________
(ii) __________________________________________________________________
(iii) _________________________________________________________________
Well, it was not that easy to define the word, was it? When a scientist has to define something, he or she writes a brief, concise sentence that sums up the most important aspects of that thing. The following probably provides the best definition of energy:
Energy is the ability to do work
- From where do we get the energy to do our work or to practise sport?
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One of the newspaper headlines quotes a swimmer saying that chocolate provides energy.
Assessment
Learning Outcome 2: The learner will know and be able to interpret and apply scientific, technological and environmental knowledge.
Assessment Standard 2.1: We know this when the learner recalls meaningful information (at least definitions and complex facts);
2.1.3: explains how magnetic forces affect different materials