![]() You will need to assess the requirements and capabilities of your class in order to decide which tasks to perform. Some are extension tasks and some tasks are revision from Gr. You might not have time to cover all of them. There are many tasks included in this chapter. Allow them to walk on different surfaces and feel the effects of friction. Have them push against buildings to experience the resistance offered by surfaces. Have learners pull and push objects and move each other around the classroom or outside in the school grounds. This chapter has many opportunities for getting the learners to engage physically with the concepts. They will be introduced to the concept of force fields. Learners will discover that there are two main categories of forces, namely contact and non-contact forces. 8 Energy transfer in electrical systems introduced learners to the attraction and repulsion forces between magnets when looking at the magnetic effect of an electric current. ![]() 8 Static electricity introduced learners to friction and electrostatic force and Learners would have been exposed to some of the concepts around forces in previous grades, for example: This chapter introduces learners to the concept of a force.
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