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Seed Germination Index

Seed Structure
To find out if water is needed for seed germination
To find out if air is needed for seed germination
To see if temperature has an effect on the
germination of seeds

To see if light is needed for seeds to germinate
Summary of the Conditions needed for Germination
To see if Carbon Dioxide is given off by
Germinating Seeds

To see if Energy is given out by
Germinating Seeds

Looking at the Structure of a Seedling

Biology Practical Work index

 

Germinating and growing seedlings

HTML version
PDF version

 

Results

Day

Height of Seedling (cm)

Number of Leaves

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PRACTICAL WORK

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Additional Experiments on Seed Germination

7. Germinating and growing seedlings

Method

1. Plant five seeds in the conditions needed for germination.

2. Record the growth of the seedling with the following information:

  1. The date the plant appeared above the surface of the soil.

  2. The date the first leaf appears above the surface of the soil.

3. Fill in the following record sheet. Day 1 is the day the seedling first appears above the soil surface.

 

Results

a) Draw a line graph of the height of the plant with time. Use the vertical axis (Y) as the height and the horizontal axis (X) as time. Label the graph.

 

Graph paper

 

(b) Now draw a second graph of the number of leaves with time. Use the vertical axis (Y) as the number of leaves and the horizontal axis (X) as time. Label your graph.

 

Graph paper

 

Conclusion:

From graph (a) : Does the seedling grow at a steady rate?

From graph (b) : Between which days are the largest number of leaves produced?

 

 

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