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

Student guidance and lesson notes

Overview

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

What You Need to Know

  • Compare gravitational potential energy and kinetic energy in changing systems.
  • Identify the key definitions, models, equations, or diagrams for this lesson.
  • Use at least one worked example, observation, or practical link to make the idea concrete.

How to Work Through It

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

Check Your Understanding

  • Can you answer a checkpoint question aligned to the main objective(s)?
  • Can you give a short verbal, written, or numerical response that shows secure understanding?

Common Mistakes

  • Watch out for the likely misconception, error, or weak step in this lesson.
  • Use the comparison, model answer, or explanation that corrects it.

Next Steps

  • 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

Use these videos, slide decks, documents, or links to work through the lesson.

Worksheet

Energy Conservation – Calculation Questions 2

Energy Conservation – Calculation Questions 2

Open resource