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Science topics ages 9 - 10
Life cycles
Curriculum relevance |
Online lesson plan
Offline lesson plan
| Worksheet |
Activity |
Quiz
Online lesson plan
Objectives
Identify and explain the parts of a flower and their role in the life cycle of
flowering plants, including pollination, seed dispersal and germination
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National Curriculum
England: Key Stage 2, Sc2, 3d
Wales: Key Stage 2, Life processes and living things, 3.4
Northern Ireland: Key Stage 2, Living things, Animals and plants, h
Scotland: 5-14 Guidelines, Science, The processes of life, Levels D
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Resources required
Online activity from Science Clips website: Life cycles
Copies of the Life Cycles worksheet printed from the Science Clips website
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Teaching activities
Introduction
Recap on the following knowledge: that plants need light, warmth and water to
grow well; that plants need healthy leaves, roots and stems in order to grow
well; that a number of plants need to be used in investigations to provide
reliable evidence. Tell the children they are going to label and dissect a
flower in an online activity.
Activities
Explain that reproduction is a process that all living things do. Reproduction
of flowering plants is made possible through the processes of pollination, seed
production, seed dispersal and germination. If possible, present this in the
context of a story of the life of a flower.
On an interactive whiteboard, open the Life cycles online activity. Briefly
talk through the key points and functions of the Petal, Sepal, Nectary, Style,
Stigma, Ovary, Ovule, Anther, Filament, Receptacle. Show to the whole class how
to drag labels to the right parts of the plant. Click on the Dissect button to
show how to pull away each section of the plant. Explain that rather than
destroying a living thing, this online resource is ideal for dissection as no
real plant is harmed.
Divide the class into groups with a computer for each group. Allow each group
to work through the Label and Dissect screens, taking it in turns within the
group to control the mouse. Walk around the groups, talking through problems
and encouraging those who have finished early to click on the magnifying
glasses to find out more information about each part.
Plenary
On the interactive whiteboard, complete the Label and Dissect screens of the
online activity as a whole class. Ask the children to identify and explain the
functions of each part. Can they retell that part of the story?
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Extension
Hand out copies of the Life cycles worksheet. Ask children to match each part
of the plant with the job it does.
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Suggested homework
Look for different flowers on their journey to and from school. On close
inspection, which reproductive parts of a flower can they see? Report back to
the class.
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