Physics path · GCSE Physics

What is missing from this expanding-gas explanation?

1 Compare

2 Problem

3 Fix

4 Apply

Compare answers: current.
Find the problem: pending.
Fix the answer: pending.
Try a new question: pending.

Practice question

A scientific instrument is surrounded by a gas-filled protective sleeve with an airtight sliding end. A technician slowly pulls the end out, increasing the volume occupied by a fixed mass of gas while its temperature remains constant. Describe, using the particle model, why the gas pressure decreases.

Which answer would score higher?

Not sure where to start?

Official curriculum

4.3.3.2 Pressure in gases

This challenge practises knowledge and exam skills from the official GCSE science curriculum. Use these sources to see the exact subject content and its wider Key Stage 4 context.

AQA specification 4.3.3.2 Pressure in gases GOV.UK Key Stage 4 science programme

Step time 0:00