Quick starter; Interactive 1.5.5 Exploring the effects Forces being needed to cause Identify and describe the Worksheet 1.5.5 of forces objects to stop or start moving, or effects of forces of different activity: True or false? Practical sheet 1.5.5 to change their speed or direction sizes and directions; predict Technician’s notes of motion and explain the changes 1.5.5 caused by forces; explain the concept of force pairs (action and reaction). 1.5.6 Understanding Forces associated with deforming Explain the relationship Worksheet 1.5.6 Quick starter; Interactive stretch and objects between applied force and the activity: Stretch and Practical sheet 1.5.6 compression change of shape of an object; compress Measurements of stretch or Technician’s notes investigate forces involved in compression as force is changed 1.5.6 compressing and stretching materials; identify applications for compressible and stretchable materials. 1.5.7 Investigating Forces associated with deforming Investigate the effects of Worksheet 1.5.7 Quick starter; Slideshow: Hooke’s Law objects; stretching and squashing applied forces on springs; An introduction to Robert Practical sheet 1.5.7 springs generate data to produce a Hooke; Interactive activity: – Technician’s notes graph and analyse outcomes. Match forces to the Measurements of stretch or 1.5.7 masses; Ice-cream splat: compression as force is changed Key vocabulary game Force–extension linear relation; as a special case Hooke’s Law 1.5.8 Understanding Rubbing and friction forces Identify the force of friction Worksheet 1.5.8 Quick starter; Interactive friction between surfaces between two objects; describe activity: Order the frictional the effects of friction; forces understand that friction acts in the opposite direction to the direction of movement. 1.5.9 Exploring the Describe applications that Worksheet 1.5.9 Quick starter; Slideshow: benefits of friction make use of friction; design Get a grip; Video: procedures for investigating Situations where sliding is the force of friction. bad; Interactive activity: Friction
1.5.5 Exploring the effects of forces Forces being needed to cause objects to stop or start moving, or to change their speed or direction of motion Identify and describe the effects of forces of different sizes and directions; predict and explain the changes caused by forces; explain the concept of force pairs (action and reaction). Worksheet 1.5.5 Practical sheet 1.5.5 Technician’s notes 1.5.5 Quick starter; Interactive activity: True or false? 1.5.6 Understanding stretch and compression Forces associated with deforming objects Measurements of stretch or compression as force is changed Explain the relationship between applied force and the change of shape of an object; investigate forces involved in compressing and stretching materials; identify applications for compressible and stretchable materials. Worksheet 1.5.6 Practical sheet 1.5.6 Technician’s notes 1.5.6 Quick starter; Interactive activity: Stretch and compress 1.5.7 Investigating Hooke’s Law Forces associated with deforming objects; stretching and squashing – springs Measurements of stretch or compression as force is changed Force–extension linear relation; Hooke’s Law as a special case Investigate the effects of applied forces on springs; generate data to produce a graph and analyse outcomes. Worksheet 1.5.7 Practical sheet 1.5.7 Technician’s notes 1.5.7 Quick starter; Slideshow: An introduction to Robert Hooke; Interactive activity: Match forces to the masses; Ice-cream splat: Key vocabulary game 1.5.8 Understanding friction Rubbing and friction forces between surfaces Identify the force of friction between two objects; describe the effects of friction; understand that friction acts in the opposite direction to the direction of movement. Worksheet 1.5.8 Quick starter; Interactive activity: Order the frictional forces 1.5.9 Exploring the benefits of friction Describe applications that make use of friction; design procedures for investigating the force of friction. Worksheet 1.5.9 Quick starter; Slideshow: Get a grip; Video: Situations where sliding is bad; Interactive activity: Friction