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Thursday, 31 October 2019

Climate CHAOS Mesuering weather

Measuring weather.

Definitions:


  1.  Anemometer:
  2. Beaufort wind scale:

Anemometer

MATERIALS

  1. Tape 
  2. Disks
  3. Wooden Sticks
  4. Pencil
  5. Pin

STEPS

  1. Crist Cross the sticks   
  2. Tape them together
  3. Get the Disks on the end of the sticks
  4. Tape the Disks an the sticks together
  5.  Add the pin on the one of the corners Because it wont go in the center
  6.   

Groups size: 5 
Roles:
  • Timekeeper
  • Counter
  • Recorder
  • Anemometer Manager
  • Wind Manager
  1. Mount the anemometer in a place that has full access to the wind from all directions.
  2. When the time keeper says "Go", the counter in each group will count how many times the marked cup passes them in one minute and write it down.
  3. Repeat the above step four (4) times and record the number of spins on the chart.

FINDINGS

  • Record how many times it spins and record it in the table below.
  • You will need to time them and count the number of spins.


Place name on school grounds                                    Number of Spins in 15 seconds
1.HHS SCHOOL FEILD1
2.OLD J BLOCK1
3.SMALL HILL
1
4.COURT2

CONCLUSION: The court is full of wind but not to much so there is 2 spins while the rest are an open space so they have 1 spin









Wind



Beaufort
Force
Wind Speed
(KPH)
Spins
Indicators
Terms Used in NWS Forecasts
0
0-2
0
Calm; smoke rises vertically.
Calm
1
2-5
10
Shown by direction of wind smoke drift, but not by wind vanes.
Light
2
6-12
40
Wind felt on face, leaves rustle; ordinary vanes moved by wind.
Light
3
13-20
80 
Leaves and small twigs in constant motion; wind extends light flag.
Gentle
4
21-29
130
Raises dust and loose paper; small branches are moved.
Moderate
5
30-39
190
Small trees in leaf begin to sway; crested wavelets form on inland waters.
Fresh
6
40-50
250
Large branches in motion; whistling heard in telephone wires; umbrellas used with difficulty.
Strong
7
51-61
320
Whole trees in motion; inconvenience felt walking against the wind.
Strong
8
62-74
390
Breaks twigs off trees; generally impedes progress.
Gale
9
75-87
470
Slight structural damage.
Gale
10
88-101
550
Seldom experienced inland; trees uprooted; considerable structural damage occurs.
Whole gale
11
102-116
640
Very rarely experienced inland; accompanied by widespread damage.
Whole gale
12
117 or more
730+
Very rarely experienced; accompanied by widespread damage.
Hurricane

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