All Johnstone's model articles – Page 2

Resource

States of matter | Developing understanding | 11–14 years

Encourage learners to deepen their understanding of states of matter and how they are represented at different conceptual levels of thinking

Resource

States of matter | Johnstone’s triangle worksheets | 11–14 years

Use this worksheet to develop learners’ understanding of states of matter, including a teacher demonstration

Resource

Isotopes of hydrogen | Johnstone’s triangle | 14–16 years

Use this worksheet to develop learners’ understanding of atoms and isotopes by considering ‘heavy water’ ice cubes

Resource

Atoms and isotopes | Developing understanding | 14–16 years

Encourage learners to deepen their understanding of isotopes from the macroscopic to sub-microscopic level

Resource

Atoms and ions | Developing understanding | 14–16 years

Encourage learners to think about how atoms and ions are represented and what this means at the sub-microscopic level

Resource

Atoms and ions of copper | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to develop learners’ understanding of atoms and ions, including a demonstration of a metal displacement reaction

Resource

Atomic structure of lithium | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to develop learners’ understanding of atomic structure, using the example of lithium

Resource

Atomic structure | Developing understanding | 14–16 years

Encourage learners to think about how the atomic structure is represented and what this means at the sub-microscopic level

Resource

Particle diagrams of water | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to develop learners’ understanding of particle diagrams of water in the solid, liquid and gas state

CPD article

Teaching conservation of mass at 14–16

2024-12-05T07:33:00Z

Help learners master the concept of conservation of mass with these hands-on teaching ideas

Resource

Covalent bonding | Developing understanding | 14–16 years

Develop learners’ understanding of the size and shape of covalent structures by interpreting a range of diagrams and models

Resource

Ionic bonding | Developing understanding | 14–16 years

Develop learners’ understanding of ionic lattices through comparing 2D and 3D representations

Resource

Metallic bonding | Developing understanding | 14–16 years

Develop learners’ sub-microscopic understanding by interpreting a range of models used to represent metallic structure and metal ions

Resource

Carbon allotropes | Developing understanding | 14–16 years

Encourage learners to think about how different structures of carbon are represented and what this means at the sub-microscopic level

Feature

Improve students’ understanding with Johnstone’s triangle

2024-08-19T07:12:00Z

Make abstract ideas concrete by linking macroscopic, submicroscopic and symbolic representations

Resource

Different allotropes of carbon | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to get learners thinking about carbon allotropes at different levels, from sub-microscopic structures to macroscopic properties

Resource

Covalent bonding in water | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to develop learners’ understanding of covalent bonding, including symbolic models and how macroscopic properties relate to the type of bonding

Resource

Metallic bonding in copper | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to develop learners’ understanding of metallic bonding, including symbols and diagrams and how macroscopic properties relate to the type of bonding

Resource

Ionic bonding in table salt | Johnstone’s triangle worksheets | 14–16 years

Use these worksheets to develop learners’ understanding of ionic structures and bonding, including symbols and diagrams and how macroscopic properties are related to bonding

Feature

Electrochemistry misconceptions

2022-10-17T10:50:00Z

It’s a complex topic. Use this to help students master it