Every Child A Seed
Lesson 2
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Do you know what these are?
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Have you ever tried
growing a plant using
seeds?
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Parts of a Seed
Plumule
Grows to become
the shoot
Cotyledon
(seed leaf)
Provides food
for the seed
Radicle
Grows to become
roots
Seed coat
Protects the seed
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Rearrange the pictures according to the correct
stages of growth
A
B
C
D
E
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Rearrange the pictures according to the correct
stages of growth
E
B
C
D
A
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What is Germination?
The process whereby a seed sprouts
and grows into a
s_ _dling is called germination.
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What is Germination?
The process whereby a seed sprouts
and grows into a
seedling is called germination.
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Seeds produced in the fruit are d_ _ _ersed when they
mature. They remain inactive until conditions are right
for growth and germination takes place.
The story of a seed...
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Seeds produced in the fruit are dispersed when they
mature. They remain inactive until conditions are right
for growth and germination takes place.
The story of a seed...
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Factors for Seed Germination
1. Sufficient oxygen
•
•
•
Living things need oxygen to survive.
A seed needs oxygen to germinate.
Oxygen is found in spaces in the soil.
Oxygen
*Note that seeds should not be
buried too deeply within the soil,
to ensure that they receive
sufficient oxygen from the air.
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Factors for Seed Germination
2. The right amount of water
Food stored in the seed leaves helps the seed to
grow.
• As the seed grows, water is needed to break the
seed coat.
• The roots help to anchor the seed and absorb
minerals and water from the soil.
• The optimum amount of water is needed for the
seed to germinate.
•
(Too much water can cause the roots to rot and too little
water limits the seed’s growth.)
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Factors for Seed Germination
3. Optimum temperature
Seeds generally germinate within a specific
t_ _ _ _ _ _ _ure range.
*Note that many seeds germinate at t_ _ _ _ _ _ _ures
between 16˚C and 24˚C.
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Factors for Seed Germination
3. Optimum temperature
Seeds generally germinate within a specific
temperature range.
*Note that many seeds germinate at temperatures
between 16˚C and 24˚C.
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Pop Quiz!
Are the following statements true or
false?
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The process whereby a seed
sprouts and grows into a
seedling is called pollination.
FALSE!
TRUEisOR
FALSE?
The process
called
germination.
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Hydrogen, water and warmth are
required for germination.
FALSE!
TRUE
ORand
FALSE?
Oxygen,
water
warmth are
required factors for germination.
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When planting seeds, they
should not be buried too deeply
within the soil.
TRUE!
TRUE
FALSE?
This allows
the OR
seeds
to get enough
oxygen from the air.
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Water your seed/plant every
hour so that it will grow well.
FALSE!
ORcan
FALSE?
Too muchTRUE
water
cause the roots
to rot. Check the soil daily and water
only when it feels dry.
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Now it’s time to start
growing your plants!
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Why are you involved in this
activity?

Everyone plays a role in creating our City in a Garden,
and you play an important part

Our City in a Garden is a result of hard work and
commitment, and we hope you can learn to appreciate
the challenges of the planting process through this
programme

You can learn to be a caring and responsible
individual by taking good care of your plant
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Every Child A Seed Video
Part 2: Step-by-Step Planting Process
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Every Child A Seed Video
Part 3: Common Planting Mistakes
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 Remember
to monitor and track the
growth of your seeds in your Plant Journal
 You
can send in photographs of your fullgrown plants to the National Parks Board