English National Curriculum - Science

3. Cleaning coins: writing a method and carrying out a practical test

Mission Objectives

Identify the equipment needed for an experiment

Use a labelled diagram to demonstrate the method for an experiment

Understand how to write a comprehensive method for an experiment

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Keywords

Words and meanings to learn

diagram

a drawing or plan that shows the parts of something or how the parts work together

experiment

a carefully planned test used to investigate something

substance

something that an object is made of

method

instructions for carrying out an experiment

equipment

the objects needed to complete a method

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Clare is an experienced primary teacher with extensive experience across the Early Years Foundation Stage and Key Stage 1. She has a strong background in curriculum design and development, contributing to programmes across EYFS, Key Stage 1, and Key Stage 2, ensuring they are engaging, inclusive, and pedagogically effective.

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Required Resources

Resources: PH testing kit (litmus paper and test indicator), small trays, measuring cylinders, dirty coins and a range of safe substances to test (such as vinegar, oil, ketchup, citric fruit juice, fizzy drinks, toothpaste, soap and water).

Support Handout (1): A scaffolded investigation sheet with sections for the investigation question, prediction, equipment, diagram and a method, with a word bank to support. 

Core Handout (2): An investigation sheet with sections for the investigation question, prediction, equipment, diagram and a method, with a word bank to support. 

Stretch Handout (3): An investigation sheet with sections for the investigation question, prediction, equipment, diagram and a method. 

Challenge Handout (4): The handout provides a space to record the control variables and explain why they need to be controlled to ensure a fair test. 

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