JHS1 Science · Term 3 Week 2: Force and Motion

Lesson notes

Indicator: B7.4.4.1.1 - Understand that unbalanced forces acting on an object cause it to move.

By the end of the lesson, learners can:

Define force and motion using their own words and give two examples of each from daily life.
Distinguish between balanced and unbalanced forces by explaining the effect each has on the motion of an object.
Predict what will happen to a stationary object when the forces acting on it become unbalanced.
Demonstrate, using a simple classroom activity, that an unbalanced force is needed to start an object moving, stop it, or change its direction.
Explain in clear, ordered steps (speaking and writing) how unbalanced forces cause a trolley or book to move, using the terms “force”, “balanced” and “unbalanced” correctly.

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Strand: Forces and Energy (Strand 4)
Sub-strand: Force and Motion (4.4)
Content standard: B7.4.4.1 - Examine the concept of motion, Newton's first law of motion, magnetic force in relation to motion and understand their applications to life.
Indicator: B7.4.4.1.1 - Understand that unbalanced forces acting on an object cause it to move.
Suggested placement: Term 3, Week 2 (Week 26 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: Science, Common Core Programme (JHS1-JHS3), 2023, p. 35
Transcribed from the official NaCCA publication. Check this page against the source.

1. Explain inertia as a tendency of a body to resist motion.
2. Demonstrate how unbalanced forces cause motion.