Sains Bab 9 Ting. 3 Flashcards

1
Q

Apakah itu Matahari?

A

Bebola gas yg membara

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2
Q

Hampir keseluruhan matahari terdiri drpd dua jenis gas, iaitu..

A

Gas Hidrogen dan Gas Helium(that’s why she so highh🍃

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3
Q

3 struktur matahri

A

-Teras
-Zon radiasi
-Zon perolakan

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4
Q

Atmósfera di Matahari(pling dlm ke plng luar)

A

-Fotosfera
-Kromosfera
-Korona

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5
Q

Fenomena yg berlaku di Permukaan Matahari(7)

A

-Granul
-Tompok matahari
-Nyalaan suria
Semarak suria(prominen)
Kitaran suria
Lentingan Jisim Korona
Angin suria

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6
Q

Lapisan atmosfera Matahari manakah yg terdiri drpd granul?

A

Fotosfera

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7
Q

Definisi Magnetosfera Bumi

A

Suatu ruang dlm angkasa lepas yg meliputi Bumi( di mana medan magnet dlm magnetosfera bumi ialah gabungan antara medan magnet bumi dgn medan magnet ruang di angkasa lepas)

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8
Q

Apakah itu angin suria?

A

Zarah dlm plasma seperti elektron, proton dan zarah alfa yg meletus dari matahari ke angkasa lepas bergerak bersama-sama dgn kelajuan yg tinggi

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9
Q

Angin suria membawa..

A

Medan magnet antara planet sama2 dia

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10
Q

Penghasilan aurora d nyalaan suria

A

Tindak balas zarah bercas dengan molekul2 dlm atmosfera bumi

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11
Q

Penghasilan aurora di lentingan jisim korona

A

Tindak balas zarah bermagnet dgn molekul2 dlm atmosfera bumi

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12
Q

Apakah itu magnetosfera bumi?

A

Suatu ruang dlm angkasa lepas yg meliputi bumi.

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13
Q

Magnetosfera terbentuk drpd

A

Interaksi antara medan magnet yg dibawa oleh angin suria dgn medan magnet bumi

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14
Q

Kepentingan magnetosfera

A

Melindungi hidupan di bumi drpd kesan buruk yg disebabkan oleh angin suria

Menghalang zarah bercas dlm angin suria utk smpai ke bumi

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15
Q

Apakah yg akan terjadi jika bilangan zarah bercas dlm angin suria yg berlebihan smpai ke bumi?

A

Menganggu telekomunilasi, sistem navigasi dan takian kuasa elektrik

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16
Q

Apakah itu cuaca angkasa lepas?

A

Fenomena yg berlaku di permukaan matahari dan di angkasa lepas

17
Q

Data cuaca angkasa lepas digunakan utk

A

Meramal bila berlakunya lentingan jisim korona di matahari
Menentukan sbb berlakunya nyalaan suria dan lentingan jisim korona d permukaan matahari