For example, students should be encouraged to say, “…the force Students should be encouraged to move from describing objects as ‘having’ force to using scientifically appropriate language. On a paper clip when the magnet moves the paper clip towards it. There are many examples of forces in our everyday lives: Both non-living and living things can exert a force as well as have a force exerted on them.Įxplore the relationships between ideas about forces in theĬoncept Development Maps - (Laws of Motion, Gravity)Ī central focus of your teaching at this level should be to emphasise the idea that a push or a pull is called a force.We do not talk about an object ‘having’ force. When we talk about forces we consider the forces acting on an objectīy another object.In science, we call a ‘push’ or a ‘pull’ a ‘force’.These ideas are also developed in the focus idea All objects (living and non-living) can apply a force on or to another object also all objects (living and non living) can be affected by forces. ![]() The idea of a force is not limited to living things or non-living things. At this level, it is completely appropriate to describe a force as a push or a pull.Ī force is not something that an object contains or ‘has in it’. In science, the word ‘force’ has a precise meaning. Students also believe that something that can’t be observed or felt by humans (or animals) doesn’t exist: for example, they might believe that, “There is no force on the car because it can’t feel anything, but there is a force on the man because he has to push it.” Some students think such a force keeps objects moving and that objects slow down and stop because this force is gradually used up. A moving object is thought to ‘contain’ or ‘have’ force. There is a view widely held by students of a force as having some material existence and being somehow embedded in moving things. ![]() These common meanings substantially shape the understandings that students develop of the word ‘force’. The word ‘force’ has many meanings in the everyday lives of students. ![]() Contrasting student and scientific viewsĬontrasting student and scientific views Student everyday experiences.
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