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TN-BIO-GR5-69515 · v2.-3

Testing a Leaf for Starch

Grade 5 · Biology · Photosynthesis · College Board (AP/SAT)

Grade

Grade 5

Subject

Biology

Topic

Photosynthesis

Subtopic

Testing a Leaf for Starch

Curriculum

College Board (AP/SAT)

Difficulty

Core

Time

25 minutes

Total marks

46

Student name

Teacher name

Date

Learning objectives

  • Recognise testing a leaf for starch accurately in biology contexts.
  • Explain the underlying rule of testing a leaf for starch in the student's own words.
  • Apply testing a leaf for starch to multi-step and unfamiliar problems.
  • Justify a chosen method and identify errors in another student's work.

Skills assessed

  • Fluency and recall
  • Method and setting out
  • Reasoning and justification
  • Problem solving in context
  • Self-assessment

Instructions

  1. Write your name, your teacher's name and the date in the header.
  2. Answer every question in the space provided. Continue on the back if needed.
  3. Show all working — method marks are awarded even when the final answer is wrong.
  4. Aim to finish in about 25 minutes.
  5. Complete the reflection box at the end before you hand the sheet in.

Warm-up

Bloom: Remember · 4 marks

Answer quickly. These check you are ready for the topic.

  1. 1.Name one fact you already know about testing a leaf for starch.

    [1]
  2. 2.Circle one fact you already know about testing a leaf for starch.

    [1]
  3. 3.State one fact you already know about testing a leaf for starch.

    [1]
  4. 4.Name one fact you already know about testing a leaf for starch.

    [1]

Recall

Bloom: Remember · 4 marks

Complete from memory. No calculator, no notes.

  1. 1.Label the key term used in testing a leaf for starch described here: item 1.

    [1]
  2. 2.Complete the key term used in testing a leaf for starch described here: item 2.

    [1]
  3. 3.List the key term used in testing a leaf for starch described here: item 3.

    [1]
  4. 4.Complete the key term used in testing a leaf for starch described here: item 4.

    [1]

FreeMathWorksheet · TN-BIO-GR5-69515 · v2.-3

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 1 of 4

FreeMathWorksheet · Grade 5 Biology

Testing a Leaf for Starch

Basic Practice

Bloom: Understand · 5 marks

Work through each item. Show the step you used.

  1. 1.Identify part 1 using the rule for testing a leaf for starch.

    [1]
  2. 2.Identify part 2 using the rule for testing a leaf for starch.

    [1]
  3. 3.Complete part 3 using the rule for testing a leaf for starch.

    [1]
  4. 4.Match part 4 using the rule for testing a leaf for starch.

    [1]
  5. 5.Work out part 5 using the rule for testing a leaf for starch.

    [1]

Guided Practice

Bloom: Understand · 8 marks

The first step is given. Finish the reasoning.

  1. 1.Continue the working for part 1. Step 1 has been started for you.

    [2]
  2. 2.Complete the method for part 2. Step 1 has been started for you.

    [2]
  3. 3.Continue the working for part 3. Step 1 has been started for you.

    [2]
  4. 4.Continue the working for part 4. Step 1 has been started for you.

    [2]

FreeMathWorksheet · TN-BIO-GR5-69515 · v2.-3

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 2 of 4

FreeMathWorksheet · Grade 5 Biology

Testing a Leaf for Starch

Independent Practice

Bloom: Apply · 10 marks

No scaffolding. Set out your full method.

  1. 1.Calculate part 1 on testing a leaf for starch without help.

    [2]
  2. 2.Work out fully part 2 on testing a leaf for starch without help.

    [2]
  3. 3.Calculate part 3 on testing a leaf for starch without help.

    [2]
  4. 4.Solve part 4 on testing a leaf for starch without help.

    [2]
  5. 5.Calculate part 5 on testing a leaf for starch without help.

    [2]

Challenge Questions

Bloom: Analyse · 9 marks

Harder items. Attempt every one, even partially.

  1. 1.Deduce the statement in part 1 about testing a leaf for starch.

    [3]
  2. 2.Prove the statement in part 2 about testing a leaf for starch.

    [3]
  3. 3.Find and justify the statement in part 3 about testing a leaf for starch.

    [3]

FreeMathWorksheet · TN-BIO-GR5-69515 · v2.-3

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 3 of 4

FreeMathWorksheet · Grade 5 Biology

Testing a Leaf for Starch

Real-life Application

Bloom: Apply · 6 marks

Use the skill in context. State units in your answer.

  1. 1.Apply a real biology situation that depends on testing a leaf for starch.

    [3]
  2. 2.Apply a real biology situation that depends on testing a leaf for starch.

    [3]

Reflection

Bloom: Create · 0 marks

Not marked. Answer honestly — this guides your next worksheet.

  1. 1.Reflect on how confident you feel with testing a leaf for starch and what you will practise next.

    [—]
  2. 2.Describe how confident you feel with testing a leaf for starch and what you will practise next.

    [—]

FreeMathWorksheet · TN-BIO-GR5-69515 · v2.-3

© 2026 FreeMathWorksheet. Licensed for classroom and home use. Redistribution or resale is not permitted.

Page 4 of 4