In this issues: Spinning spirals, a progression in heating and burning, making a fire extinguisher, The Great Fire of London.

A teacher demonstration about density, floating and sinking that uses carbon dixoide gas and air, rather than solids and liquids.

Guidance on how to plan and run an event where children make and burn model Tudor buildings.

Advice and a list of resources to help teachers working with both children attending a partially open school, and those learning at home. This document supersedes and incorporates the information in P097 & P098.