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:
Growing in the Mighty Forest |
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| Focus: Understanding the life cycle functions and parts of a forest tree (roots, leaves, trunk and bark). | ||||||
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Questions / instructions: I want you to think about how the forest helps and protects a young tree as it grows. |
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%
responses
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y4
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y8
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1
 |
Point
to the young tree in the picture. 1. How might this tree have got there? Prompt: What might have made it grow there? |
seed dispersal: | a |
a
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2
or more good ideas
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5
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17
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1
good idea
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43
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56
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"someone
planted it"
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38
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17
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| 2. How does the forest help the young tree to grow? |
appropriate
conditions for germination
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11
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10
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nutrients
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9
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20
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moisture
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41
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33
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protection/shelter
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43
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64
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cyclical
nature of growth/decay
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7
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12
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2
 |
3.
Now let's talk about the different parts of trees. Look carefully at this picture of a big tree to help you answer the questions. Show student picture 2. Point to the roots. |
a
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a
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| 4. Here are the tree roots. How do the tree roots help the tree to live and grow? |
moisture
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69
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54
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nutrients
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24
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35
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stability/anchorage
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25
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20
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| Point to the leaves. |
a
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a
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| 5. Now look at the leaves of the tree. How do the leaves help the tree live and grow? |
moisture
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13
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19
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"breathe"
for tree
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5
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16
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convert
sunlight into a chemical energy (photosynthesis)
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5
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9
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3
 |
Give
the student picture 3. Look carefully at this picture of the tree trunk. Point to the bark layer. |
a
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a
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| 6. Try to explain to me the main jobs of the bark layer. | protection |
62
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85
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| carries moisture and nutrients up/down tree |
3
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3
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| Point to the rings in the trunk of the tree. |
a
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a
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| 7. Try to explain to me what these rings might mean. | explains one ring per year and why rings occur (seasonal change) |
4
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2
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| only mentions one ring per year |
74
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70
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| Commentary: There were quite small differences in responses from year 4 and year 8 students. |
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