How Does Pollution Affect Sea Shells?

How Does Pollution Affect Sea Shells?

Lesson 2 of 18 in this unit

  • Cool+
  • Primary
  • Year 6
  • Science
  • Biology
  • Environmental
  • Citizen Science
  • ...

Lesson summary

Students conduct an experiment to demonstrate how the growth and survival of living things are affected by changing physical conditions.

Learning intentions:

Students will...

  • model the impact of the physical environment on living things. 

Success criteria:

Students can...

  • conduct an experiment to prove a theory. 

Lesson guides and printables

Lesson Plan
Student Worksheet

Lesson details

Curriculum mapping

Australian Curriculum (v9.0) content descriptions:


Students learn to:

  • investigate the physical conditions of a habitat and analyse how the growth and survival of living things is affected by changing physical conditions (AC9S6U01)

Relevant parts of Year 6 achievement standards:
By the end of Year 6, students explain how changes in physical conditions affect living things.

Resources required

  • Camera (optional)
  • Shells - 2x oyster, 2 x scallop, 2 x mussel (or whatever you can find)
  • Student Worksheet
  • Permanent Marker
  • Plastic cups x 6
  • Vinegar
  • Water.


This lesson is designed to build students’ competencies in the following skills:

  • curiosity
  • reflection
  • critical thinking

Additional info

Level of teacher scaffolding: Medium - support students in the theories, practical experimentation, and explaining and recording their observations. 

This is an original Cool+ lesson.

Related professional learning

How to Teach Science More Effectively

Quick summary: This course will help teachers better understand and apply evidence-based tools for effective science teaching.

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  • Science
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