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Investigation Question 2:
How can you tell the direction of the wind?
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Assessment
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Applying
Students' Understanding
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You can use "The Wind Direction Device Challenge" for this
purpose. Have groups stand widely spaced on the schoolyard, well away
from building, while holding their wind pointing devices above their heads.
For each device, have students observe it in operation and ask these
questions:
- What part of the device shows the wind direction?
- What will happen if the wind blows from a different direction?
- Can the device tell how strong the wind is?
- Does the device tell from which compass direction the wind is coming?
- How could the device be improved?
- How could ideas from this device be combined wit h those of other
groups?
- How does the wind pointer device help to describe the wind speed?
(Students should be able to notice variations in how the device behaves
in different wind speeds. They can draw what their pointer looks like
in still air, moderate breeze, strong breeze and so on. You can now
have your students add another key observation to their Beaufort Wind
Scale tables).
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Using the Weather Station to Gather Data
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Each day, your students can add wind speed observations and wind direction
observations to their weather charts along with temperature. Later they
can add precipitation (rain, snow, sleet and hail) , cloud cover and cloud
type to their weather charts. Help your students understand the importance
of collecting observations at the same time and in the same place each
day.
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Revisiting
Investigation Question 2
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Complete this investigation question by asking your students to reflect
on "How can you tell the direction of the wind" and how their
answers may have changed as a result of what they have learned.
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