Chemistry Year 11 - Module 3 - Lesson 9

Galvanic Cells

Use this worksheet after reading the lesson to practise the key ideas and prove you can meet the success criteria.

Name

Date

Class

1. Key Ideas

The battery in your phone is a galvanic cell — a controlled redox reaction where electrons flow through a wire instead of directly between reactants, and the chemistry happening at each electrode determines how long your charge lasts.

Key facts and terms for Galvanic Cells
How the main ideas in Galvanic Cells connect

2. Success Criteria

By the end, you should be able to:

Key facts and terms for Galvanic Cells
Where this lesson fits in Module 3
How the main ideas in Galvanic Cells connect

3. Key Terms

salt bridgeA device that maintains electrical neutrality in a galvanic cell by allowing ion migration.

Synthesis reactionA reaction where two or more reactants combine to form a single product.

Decomposition reactionA reaction where a single compound breaks down into simpler substances.

Precipitation reactionA reaction in which an insoluble solid forms when two solutions are mixed.

Combustion reactionA rapid reaction with oxygen producing heat, light and oxides.

Redox reactionA reaction involving electron transfer between chemical species.

4. Activity: Build the Lesson Map

Use the lesson to complete the table. Keep answers brief but specific.

Prompt	Your answer
Main concept
Important example
Common mistake to avoid
How this links to the next lesson

5. Short Answer Questions

1. Explain this lesson goal in your own words: "Key facts and terms for Galvanic Cells". Use one specific example from the lesson.

Band 32 marks

2. Apply this idea to a new example: "Where this lesson fits in Module 3". Show your reasoning clearly.

Band 43 marks

3. Analyse why this idea matters for understanding Galvanic Cells: "How the main ideas in Galvanic Cells connect".

Band 54 marks

6. Extend: Apply the Idea

Band 5/65 marks

A student gives a memorised answer about Galvanic Cells but does not use evidence or reasoning.

Improve the answer by writing a stronger response that uses accurate terminology, a relevant example and a clear explanation.

7. Multiple Choice

1. What is the best first step when answering a question about Galvanic Cells?

A. Identify the key concept being tested

B. Write every fact from memory

C. Ignore the command word

D. Skip examples and evidence

2. Which answer would show stronger understanding of Galvanic Cells?

A. An answer with accurate terms and reasoning

B. A copied definition only

C. A single-word response

D. An answer with no example

3. What should you do if a question asks you to explain?

A. Link the idea to a reason or cause

B. List unrelated facts

C. Only draw a diagram

D. Write the shortest possible answer

8. Success Criteria Proof

Finish with evidence that you can do each success criterion.

Success criterion 1

Prove that you can: Key facts and terms for Galvanic Cells