Study Hub

Study Guides

This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.

Back to Study HubBrowse Year 10 Science Guides

Year 10 - Science

Stretching a spring analysis (F=ke)

Energy of moving objects

Unit Summary

This unit covers energy changes in systems through heating, forces, and electrical work. It includes energy storage, efficiency, and transfer methods like insulation. Emphasis is on calculating energy, conducting experiments, interpreting data, and communicating findings accurately.

Lesson Summary

You will learn to describe and calculate the properties of a spring using Hooke's law.

Key Notes

  • A spring is elastically deformed if it returns to its original shape after the applied force is removed
  • A spring is inelastically deformed if it does not return to its original shape after the applied force is removed
  • Elastic deformation is proportional to the force applied to stretch or compress a spring
  • The spring constant (k) is the force needed to extend or compress an elastic object by one metre
  • Force on a spring = spring constant × extension

Vocabulary To Learn

  • directly proportional: A variable is directly proportional to another if it doubles or triples when the other one does the same.
  • elastic deformation: The stretch of a spring that returns to its original shape when the stretching force is removed.
  • inelastic deformation: The stretch of a spring as it is permanently stretched out of shape.
  • spring constant: A measure of how stiff a spring is and how hard it is to stretch or compress.
  • Hooke's Law: For elastic deformations, extension (or compression) is directly proportional to the force applied.

Common Mistakes To Avoid

  • Pupils often think the bigger the spring constant, the more a spring stretches for a given force.

3 Quick Questions (With Answers)

1. Explain the scientific idea in this lesson using two key points.

A spring is elastically deformed if it returns to its original shape after the applied force is removed. A spring is inelastically deformed if it does not return to its original shape after the applied force is removed.

2. Define this scientific word and use it in context. 'directly proportional'

A variable is directly proportional to another if it doubles or triples when the other one does the same. Include the word in a full scientific explanation, not as a single label.

3. Correct this common scientific misunderstanding.

Mistake: Pupils often think the bigger the spring constant, the more a spring stretches for a given force. Correction: Provide opportunities for pupils to apply understanding that the spring constant describes the stiffness of a spring. The bigger the spring constant, the harder it is to stretch (or compress) the spring.

More Lessons In This Unit

Browse all guides in the Year 10 Science guide library.