science - arnetthills.herts.sch.uk€¦ · daffodils snowdrops lilies allium tulips. seeds and...
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Science | Year 2 | Plants | Seeds and Bulbs | Lesson 2
Plants
Science
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Success Criteria
Aim
• Statement 1 Lorem ipsum dolor sit amet, consectetur adipiscing elit.
• Statement 2• Sub statement
Success Criteria
Aim• I can plant seeds and bulbs and suggest how to care for them.
• I can set up a test and make a prediction.
• I can follow instructions to plant a seed and a bulb.
• I can suggest how to care for a plant so it grows well.
• I can set up a simple test to show what plants need to grow well.
• I can predict which plants will grow well and which will not.
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Plants
We have been learning about…
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Seeds and Bulbs
The first stage in the life cycle of
most plants is a seed. Seeds come in all shapes and sizes. Every plant has a
different seed.
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Seeds and BulbsEvery single seed has the beginnings of a new plant inside it, along with a little store of food to help it grow.
When the conditions are right, the seed soaks up water and swells, and the tiny new plant bursts out of its shell. This is called germination.
Embryo:The tiny root and shoot which will grow into the adult plant.
Seed Coat:A tough outer covering.
Food Store:A store of food for the young plant to use until it has grown enough to make its own food.
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Seeds and Bulbs: Germination
Click the button below to find out
more about germination.
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Seeds and Bulbs
Some plants grow first from a seed, and then develop a bulb that helps them to grow back year after year.
A bulb lets the plant rest underground over the winter when it is too cold, then grow back later in the year when conditions are right.
Flower Bud:Future flower stored inside the bulb for protection.
Tunic:A papery outer covering.
Scales:Thick leaves that store the food.
RootsStem
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Seeds and Bulbs
Here are some common plants that grow from bulbs.
Daffodils
Snowdrops
Lilies
Allium
Tulips
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Seeds and Bulbs
We are going to plant a seed and a bulb each,so we can compare how they grow.
Comparing means looking closely to see whatis similar and what is different.
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What Do PlantsNeed to Grow?
Seeds and bulbs need to wait for conditions to be just right before seeds can germinate and bulbs can sprout new growth.
What do you think that our plants will need so they can sprout and grow well?
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PlantingAs well as our seeds and bulbs, we are going to plant some extra seeds and set up a comparative test.
In our comparative test, we are going to plant the same seeds, and compare how they grow under different conditions.
This will help us to learn what plants need to grow well.
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Planting
You will need:
• 1 test seed
• 1 dwarf sunflower seed
• 1 paperwhite narcissus bulb
• 3 plant pots
• Soil
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Fill yourpot halffull of soil.
Cover the seeds and bulbs with more soil.
Plant the seed or bulb in the soil.
Planting1
3
2
Put the seeds and bulbs in a warm and sunny spot.
4
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Plant GrowthComparative Test
In your group, you are going to compare the growth of your test seeds.
One seed will be given water and sunlight.
One seed will be given
water but no sunlight.
One seed will be given sunlight and
no water.
One seed will be given no sunlight
and no water.
What do you think will happen to each of the seeds?
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Plant GrowthComparative TestWhat conditions does each plant need?
Where should they go?
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Plant Growth Predictions
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Plant Growth Predictions
Which seed did we predict would grow the best?
What conditions should we give our sunflowerand narcissus plants so that they grow well?
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Seed or Bulb? Quiz
On the next slides aresome foods that we eat.
Can you guess if thefood is a seed or a bulb?
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Seed Bulb
Peas
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Peas
Correct! A pea is a seed. Well done!
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Peas
Badluck!
A pea is actually a seed.
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Seed Bulb
Onion
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Onion
Correct! An onion is a bulb. Well done!
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Onion
Badluck!
An onion is actually a bulb.
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Seed Bulb
Coconut
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Coconut
Correct! A coconut is a seed. Well done!
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Coconut
Badluck!
A coconut is actually a seed.
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Seed Bulb
Sweetcorn
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Correct! A corn kernel is a seed. Well done!
Sweetcorn
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Sweetcorn
Badluck!
A corn kernel is actually a seed.
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Seed Bulb
Garlic
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Garlic
Correct! Garlic is a bulb. Well done!
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Garlic
Badluck!
Garlic is actually a bulb.
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Success Criteria
Aim
• Statement 1 Lorem ipsum dolor sit amet, consectetur adipiscing elit.
• Statement 2• Sub statement
Success Criteria
Aim• I can plant seeds and bulbs and suggest how to care for them.
• I can set up a test and make a prediction.
• I can follow instructions to plant a seed and a bulb.
• I can suggest how to care for a plant so it grows well.
• I can set up a simple test to show what plants need to grow well.
• I can predict which plants will grow well and which will not.
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