Objectives

Lesson outcomes

  • Derive and use the expression ΔEP = mgΔh for gravitational potential energy changes in a uniform field.
  • Derive and use the expression Ek = 1/2 mv^2 for kinetic energy.
  • Compare changes in gravitational potential energy and kinetic energy during energy transfers in moving systems.
Syllabus

CIE 9702 syllabus points

4 linked

Lesson Notes

Teacher and student guidance

Overview

Compare gravitational potential energy and kinetic energy in changing systems. Use this page to organise your notes, worked examples, and linked resources.

Key knowledge and explanations

  • Main idea: Compare gravitational potential energy and kinetic energy in changing systems.
  • Key definitions, models, equations, or diagrams to introduce.
  • One worked example, demonstration, or observation that makes the idea concrete.

Lesson flow

  1. Start with prior knowledge, context, or a short recall task.
  2. Work through the main explanation, method, diagram, or calculation for this lesson.
  3. Complete guided practice, discussion, calculations, or practical application.
  4. Review the learning with an exit prompt, short question, or summary task.

Checks for understanding

  • Use a hinge question aligned to the main objective(s) to check your understanding.
  • Use a short verbal, written, or numerical response to check for secure understanding.

Common mistakes or misconceptions

  • Watch for the likely misconception, error, or weak step in this lesson.
  • Review the comparison, model answer, or explanation that will correct it.

Follow-up

  • Complete the homework, retrieval task, or resource revisit linked to this lesson.
  • Note what you need to carry forward into the next lesson.
Lesson Resources

Materials for this lesson

Embed videos, slide decks, documents, or direct links in the frontmatter for each lesson.

Worksheet

Energy Conservation – Calculation Questions 2

Energy Conservation – Calculation Questions 2

Open resource