Category: Small Grants Scheme

Small Grants Scheme

A representation of covalent and ionic bonding

Author: Katie Rosser-Evans Covalent bonding Below is a step-by-step guide of how to use this fun model to help pupils to visualise and understand covalent bonding in a fun and abstract way. You only need the students and some coloured balls (ball pit balls work perfectly) to complete this: Select 4 pupils to participate – they will represent an atom. Get the pupils to stand … Continue reading A representation of covalent and ionic bonding

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Small Grants Scheme

Teacher explanations, a ‘Live Drawing’ Approach

By Adam Boxer A well-crafted explanation lies at the heart of any effective science lesson. A good explanation must take into account a number of factors, but perhaps of foremost importance is the cognitive load placed upon the students. Decades of lab-based research in the cognitive sciences has taught us that students’ working memories are preciously limited. Labelled by Dylan Wiliam as “the single most … Continue reading Teacher explanations, a ‘Live Drawing’ Approach

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