Sanitary and Comfortable Classroom教室環境の美化

Tetsuya SAGAWAKanazawa University, Japan

ICBS SCHOOL HEALTH

Goal of Healthy Classroom Environment　教室環境美化の目的

We, teachers, should improving the healthy school environmental condition.

　子どもの健康的な学習環境を改善する

Effective Leaning 学習効率の向上

Healthy School Life 　健康な学校生活

Growth and Development 　発育発達

Prevention against Disease 　疾病予防と健康増進

Promoting School Environment by PDCA Method

Plan 　 Clarify the goal and methodDo 　　　 Examine the present status

Execute the improving operation 　

Check Data collecting and analysis 　 Evaluate the difference between before a

nd

　　　 　 after

Action 　 New action based on the evaluation

Examination Items Sanitary environment in classroom

Lightness on the desk and chalkboard,

Color of chalkboard, Color of wall Desk and Chair, Classroom cleaning, Dust, Garbage, Noise, and so on

Lightness in the classroom Lightness of easy to read book Balance of brightness

from 300 to 1500 lux

Lightning on the desk

黒板 照明 色彩

477 340 621 入り口 121 128 155 131 413 170 5G

窓 205 99 60.6 126 132 174 137 173 193 4/4-3/4

370 75.6 72.8 入り口 167 191 312 179 203 332

blackboard

entrance

Examination points

Lightness of chalkboard

黒板 照明 色彩

477 340 621 入り口 121 128 155 131 413 170 5G

窓 205 99 60.6 126 132 174 137 173 193 4/4-3/4

370 75.6 72.8 入り口 167 191 312 179 203 332

Blackboard

entrance

entrance

window

Light on colorLight off

Lightning meter

Measurement procedure

① Turn switch to “×1” POSITION. ② Read indicator at the measurement point.

＊ Attention to the standing position of tester.＊ Attention to the surface angle of lightning meter, read the highest value.

③ If the value indicates more than 1500 lux, turn switch to “×10” POSITION. Correct value become 10 times of the indicator value.Example ; Indicator value 500 → 5000 lux.

④ After measurement, turn switch to “OFF” POSITION.

Data sheet of measurement

date SAMPLE /

1 upper-left 131

2 upper-center 413

3 upper-right 170

4 center-left 137

5 center-center 173

6 center-right 193

7 lower-left 179

8 lower-center 203

9 lower-right 332

color green

discolored little

light above the boad none

BLAC

KBOA

D

Solution for the bright classroom be more bright

Change color of wall more bright Window size, glass, new window Put some lights from the ceiling

be more dark Protect from direct sunlight Use curtain effectively

Desk and Chair 　机，椅子

Suitable size for student’s sitting height not too low, not to high, not uneasey Flat surface

Good Sitting Position Maintains good eyesight Prevents fatigue Makes good efficiency of learning Standard size is calculate using

stature Desk height(cm)= 6/15*stature(cm)+4 Chair height(cm)= 4/15*stature(cm)-2

Optimal height of desk and chair

standard40 22 90.0 85.0 ～ 95.043 24 97.5 92.5 ～ 102.546 26 105.0 100.0 ～ 110.049 28 112.5 107.5 ～ 117.552 30 120.0 115.0 ～ 125.055 32 127.5 122.5 ～ 132.558 34 135.0 130.0 ～ 140.061 36 142.5 137.5 ～ 147.564 38 150.0 145.0 ～ 155.067 40 157.5 152.5 ～ 162.570 42 165.0 160.0 ～ 170.073 44 172.5 167.5 ～ 177.576 46 180.0 175.0 ～ 185.0

deskheight

chairheight range

Standing Height

Keep clean in the classroom

Solution process of the problem1) Find problems of school health with all children2) Place problems in order and select the most serious

problem 3) Gather data on the problem4) Find a solution of the problem5) Attempt the solution of the problem6) Take data after the attempt 7) Compare data between before and after and evaluate

the attempt8) Discuss what is the most serious problems again

What is comfortable classroom?

Brightness, Noise, Temperature, Humidity, Dust, Smell

Status of floor ; flat, no hole, slippery, nail, trash, water

Status of wall and window ; nail, electric wire, grass broken, leakage of water

Desk and chair ; broken, rickety, nail, uneven, uneasy

Other ; leak in the roof, narrow, fragile building, insects, animals, light, handicap studdent

Any dangerous happening or trouble

How do you solve the problems?

Items Before data level Solution PriorityBrightness Under 200,

very dark

Noise good

Temperature 40 degree,too hot

Trash sand, plastic bag, snack

Desk uneven

Chair nail, rickety

window Don’t open

Example discussion

How do you solve the problems?

Items Before data level Solution PriorityBrightness under 200,

very darkserious

Noise easy to hear good

Temperature 40 degree,too hot

veryserious

Trash sand, plastic bag, snack

bad

Desk uneven bad

Chair nail, rickety serious

window don’t open bad

Example discussion

How do you solve the problems?

Items Before data level Solution PriorityBrightness under 200,

very darkserious change the

color of wall white

Noise easy to hear good

Temperature 40 degree,too hot

veryserious

make new windows at the wall

Trash sand, plastic bag, snack

bad clean up everyday

Desk uneven bad repair

Chair nail, rickety serious repair

window don’t open bad repair

Example discussion

Classroom sanitation 教室衛生

Keep clean regularly, everyday 定期的な清掃

Clean with all student as education 全員参加

Wipe with wet dust-cloth 　ぬれ雑巾でのほこり取り

Collect trash and garbage separately ゴミの分別収集

Dump everyday and sanitary wastebasket 毎日のゴミ捨て

Sanitary rubbish dump 　ゴミ捨て場の衛生

Dispose garbage 　ゴミの処分

Decrease Garbage ゴミを捨てない，減らす

Clean everyday 毎日掃除をする

Collect separately 　分別収集

Don’t litter散らかさない

Reuse and 　ｒｅｃｙｃｌｅ再利用とリサイクル

Collection of garbage in case of Thai Project

Separate collection Garbage bank (Recycle)

‘School Health’ is an educational process for sustainable development