National curriculum content
- Opportunities for children to ask their own questions and make decisions on how to answer their questions using different scientific enquiry activities.
Lesson objectives
- Explore the properties of a disposable nappy
- Test which nappy is the most absorbent
- Test the elasticity of nappies
- Discuss the advantages and disadvantages of disposable nappies
What we want children to know
- The names and properties of materials
- How to answer their own questions about the properties of nappies
- How to use a table and draw a graph
- Who invented nappies
- How to discuss information and explain their choices
- To use their knowledge of materials to design, test and evaluate their nappy
What skills we want children to develop
- Make systematic observations and classify names and properties of materials
- Use scientific vocabulary and evidence to ask and answer questions
- Carry out a fair test, recording results in a table and drawing a graph to show data
- Use simple organisational devices to record information
- Carry out comparative tests and measure using standard measures
- Report and present findings from enquiries
Vocabulary
absorb, absorbent, bamboo, cloth, cotton, disposable, elastic, faeces, liquid, material, nappy, plastic, properties, urine, Velcro, waterproof