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Questions and Answers
What is the main aim of the experiment?
What is the main aim of the experiment?
- To determine the difference the amount of light makes on how tall a plant grows (correct)
- To investigate the effect of temperature on plant growth
- To test the effect of compost on seed germination
- To compare the growth of plants in sunlight and darkness
How many pots are placed in the dark cupboard?
How many pots are placed in the dark cupboard?
- 2
- 1
- 4
- 3 (correct)
Why is it important to water the seeds at the same time?
Why is it important to water the seeds at the same time?
- To speed up the growth of the seeds
- To ensure a fair test by minimizing variables (correct)
- To keep the temperature around the pots similar
- To ensure the seeds receive different amounts of water
What is used to create a hole in the compost for the seed?
What is used to create a hole in the compost for the seed?
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What is the purpose of using 50g of compost in each pot?
What is the purpose of using 50g of compost in each pot?
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What was the main difference in the seed that germinated in the dark?
What was the main difference in the seed that germinated in the dark?
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Why did the author conclude that sunflowers need sunlight?
Why did the author conclude that sunflowers need sunlight?
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What can be inferred from the experiment's results?
What can be inferred from the experiment's results?
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What was the purpose of the experiment?
What was the purpose of the experiment?
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What can be said about the seeds in the light and the dark?
What can be said about the seeds in the light and the dark?
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Study Notes
The Science Experiment: Growing Seeds
- Aim: To determine the effect of light on the growth of sunflowers
Equipment
- 6 Sunflower seeds
- 300g Compost
- 6 Seed pots
Prediction
- Author predicts that seeds in sunlight will grow taller than those without sunlight
Method
- Fill each pot with 50g of compost
- Create a hole in the compost using a pencil
- Sow one seed per pot and cover with compost
- Place three pots in a sunny location and three in a dark cupboard
Fair Test
- Ensure similar temperature around pots
- Avoid using an airing cupboard for the dark test
- Water seeds equally at the same time
- Take measurements at the same time
Results
- Seeds in the dark took longer to germinate
- Seeds in the dark were pale and had fewer leaves
Conclusion
- Sunflowers need sunlight to germinate quickly and grow healthily
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