Measuring weather.
Definitions:
- Anemometer:
- Beaufort wind scale:
MATERIALS
- cellotape
- pencil
- pin
- 2 sticks
- 4 cups
STEPS
- cellotape the sticks to the cup.
- cellotape the stick together to make a cross.
- pin the cross to the rubber on the pencil.
Group Investigation.
Groups size: 5
Roles:
Groups size: 5
Roles:
- Timekeeper ( watch)Khyle
- Counter Christian
- Recorder ( Chromebook or refill ) Qyn
- Anemometer Manager ( Anemometer) Faye
- Wind ManagerRyan
Instructions:
- Go to the measuring place and set up your wind gauge.
- Make sure everyone in your group is ready to start their roles.
- Record how many times it spins and record it in the table below.
- Count the number of spins in 15 seconds.
- Record it on your chart.
FINDINGS
| Place name on school grounds | Number of Spins in 15 seconds | |
| 1. | Field | 20 |
| 2. | Old J Block site | 15 |
| 3. | Grass hill in quad | 10 |
| 4. | Tennis Court gate | 3 |
- USING A4 PAPER DRAW YOUR RESULTS ON A GRAPH.
- TAKE A PICTURE OF THE GRAPH AND UPLOAD IT TO YOUR BLOG
WHICH IS THE WINDEST AREA AND WHY?
the windest area is field because it is a big space, so its windy.
WHICH IS THE CALMEST AREA AND WHY?
the calmest area is tenis court because there trees around the court.
WHERE IS THE BEST PLACE ON LAND TO BUILD A WINDMILL?
The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains, and gaps in mountains - places where the wind is strong and reliable. Some are offshore.
WHICH IS THE WINDEST AREA AND WHY?
WHICH IS THE CALMEST AREA AND WHY?
the calmest area is tenis court because there trees around the court.CONCLUSION:
I learn in this subject that when the wind is fast the more spin you'll get in a minute. I Learnt how to measure the wind around the area. We didn't measure the wind outside because it was raining outside and we don't have time to measure.
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
|
