English National Curriculum - Science Science
Mission Objectives
Describe energy transfers in a closed system using ideas about conservation of energy
Explain how energy can be dissipated in a system
Recall the equations and use them to calculate the efficiency of an energy transfer
Explain ways of reducing unwanted energy transfers
Save files related to this lesson
Words and meanings to learn
incandescent
the emission of visible light from a hot object
watt
the unit for power. The power when 1 J of work is done in 1 s
thermal
relating to heat or changes in temperature
efficiency
a measure of how much energy is converted into a useful form
conductivity
a measure of how easily an electric current or thermal energy flows through a material
Resources: Class presentation and handout.
Handout: Information on Carnot and his work on machines for the students to read and summarise. Calculations on efficiency, including changing the subject of the equation. Discuss machines that are 100% efficient. Is this possible? Why not?
Expert film
Mission assignment film
View some great examples of student work from this unit
No exemplar works have been uploaded for this lesson yet.
Operations Support Worker
Nuclear Decomissioning Operative
Nuclear Decomissioning Team Leader
Nuclear Decomissioning Site Engineer
Manager of Production or Maintenance
Technical or Production Director