English National Curriculum - Science Science
Mission Objectives
Define the term 'system'
Explain the law of conservation of energy
Apply conservation of energy to systems involving GPE and KE
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Words and meanings to learn
pendulum
a weight hung from a fixed point so that it can swing freely. Used in clocks to help the mechanism keep time
dissipate
a term that is often used to describe ways in which energy is wasted
swing
move or cause to move back and forth or from side to side while suspended or on an axis
friction
A force between 2 surface that are in contact and trying to move over each other
lubricant
a substance applied between two moving surfaces to reduce the friction between them, improving efficiency and reducing wear
Resources: Class presentation, handout and Newton's cradle (optional).
Handout: Discuss the historical aspects of physics and the role of women in science. Order energy changes in a roller coaster and discuss dissipated energy. Explain the energy changes in a pendulum swing. Apply ideas about energy dissipation to a sankey diagram. Research friction and use of ball bearings in machinery.
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