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Photosynthesis Song Worksheet
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Photosynthesis Song Worksheet
🎵 Part 1: Song Comprehension
1. According to the song, what are the three main limiting factors in photosynthesis?
Light intensity, carbon dioxide concentration, temperature
Water, oxygen, nitrogen
Soil quality, humidity, wind speed
Chlorophyll, glucose, minerals
2. What happens when limiting factors affect photosynthesis? (Select all that apply)
Sugar production decreases
Chemical energy for cell growth is reduced
Plants grow faster
More oxygen is produced
3. In the starch test practical, what colour does iodine turn when starch is present?
Brown
Blue-black
Green
Yellow
4. Complete the lyric: "When the light gets dim, CO₂ runs low, temperature drops and ____________"
photosynthesis starts to ______________.
🔬 Part 2: Practical Investigation
5. Describe the step-by-step method for testing a leaf for starch using iodine solution:
6. Explain why we test for starch when investigating photosynthesis:
7. If you wanted to investigate how light intensity affects photosynthesis, what would you change in your experiment and what would you keep the same?
🎼 Part 3: Creative Extension
8. Write your own verse about one limiting factor in photosynthesis. Make it rhyme and include scientific facts:
9. Why do you think songs can be helpful for learning scientific concepts? Give two reasons:
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