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Growing Seeds Experiment 5

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Questions and Answers

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?

3 (correct)

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?

A pencil Signup and view all the answers

What is the purpose of using 50g of compost in each pot?

To provide the seed with nutrients Signup and view all the answers

What was the main difference in the seed that germinated in the dark?

It was very pale and hadn't produced the same leaves. Signup and view all the answers

Why did the author conclude that sunflowers need sunlight?

Because the seed in the dark was very pale and hadn't produced the same leaves. Signup and view all the answers

What can be inferred from the experiment's results?

Seeds germinate faster in the light. Signup and view all the answers

What was the purpose of the experiment?

To investigate the effect of sunlight on seed germination. Signup and view all the answers

What can be said about the seeds in the light and the dark?

The seeds in the light germinated faster and grew more healthily. Signup and view all the answers

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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