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Pengawetan
makanan
Bab 4
By sir hazween
Kerosakan makanan
Tempoh
tertentu

Memerhati/meny
entuh/menghidu/
merasa

Berubah
rupa/rasa
Kerosakan
makanan

Sakit
perut/cirit
birit/muntah

Keracunan
makanan
Berubah warna
Rasa x
menyenangkan

Bau x
menyenangkan

Berubah rupa

Ciri-ciri
makanan
rosak

berkulat
Mikroorganisma
merokkan makanan
Berada di
mana-mana
sahaja

X boleh buat
makanan
sendiri
Hidup dia tas
makan dgn
mengurai
makanan
tersebut

X dapat dilihat
dengan mata
kasar

Kulat/bakteria

Mikroorganisma

Penguraian
menyebabkan
makanan rosak
Eksperimen
Mikroorganisma boleh merosakkan
makanan
Apa yang korang nampak?
O Tujuan: untuk menyiasat hubungan

diantara mikroorganisma dan keadaan roti
Kesimpulan: mikroorganisma boleh
merosakkan makanan
Syarat untuk
pertumbuhan
mikroorganisma
Cuba teka? Hehe….
Nutrien

Suhu
sesuai

air

udara

Syarat untuk
pertumbuhan
Mikroorganisma

Keasidan
yang
sesuai
kesimpulannya
O Bakteria dan fungi sangat aktif dalam

keadaan….
O Lembab
O Gelap
O panas
O Oleh itu: makanan yang lembat akan

cepat rosak berbanding makan yang
kering.
Sains Tahun 6 Bab 4 Bhg 1
Sains Tahun 6 Bab 4 Bhg 1

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Sains Tahun 6 Bab 4 Bhg 1