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Mould Growth Investigation Worksheet
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Mould Growth Investigation Worksheet
🔬 Part 1: Before the Experiment
1. What is mould? Circle the best answer.
A type of plant that grows on old food
A living thing that grows in warm, wet places
A type of dirt
2. Where have you seen mould before? Tick all that apply.
On old bread
In the shower
On old fruit
On walls when wet
3. Prediction: Which bread sample do you think will grow the most mould? Circle one.
Light & Wet bread
Dark & Wet bread
Warm & Wet bread
Cold & Wet bread
Dry bread
4. Why do you think this? Complete the sentence.
I think the _____________ bread will grow the most mould because _________________________ ___________________________________________________________________________.
📊 Part 2: Recording Observations
5. Draw what you see in each bread sample after 3 days. Use colours!
Light & Wet:
Dark & Wet:
Warm & Wet:
6. Which bread sample had the most mould growth?
7. Which bread sample had the least mould growth?
8. What do you think mould needs to grow well? Tick the most important things.
Water/moisture
Warmth
Light
Darkness
Food (like bread)
🤔 Part 3: Thinking Like a Scientist
9. Was your prediction correct? Explain what happened.
10. Why do you think some bread grew more mould than others?
11. Extension Question: What other experiment could we do to learn more about mould? Write your idea below.
12. Safety Question: Why should we not open the bags with mouldy bread?
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