F2 SC Bab 1

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference:

B1D1E1: State The Various Defects Of Vision Menamakan Pelbagai Jenis Kecacatan Penglihatan

1. List five defects of vision.

Senaraikan lima jenis kecacatan penglihatan.

i. __________________________________

ii. __________________________________

iii. __________________________________

iv. __________________________________

v. __________________________________

Pentaksiran Pertama Kedua Ketiga

Tarikh

Disahkan Oleh, __________________________

B1D1E1

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference: B3D2E1:

Labelling the structure of human ear, explain the function of each structure and explain the mechanism of hearing. Melabel struktur telinga manusia, menerangkang fungsi struktur dan menjelaskan mekanisma pendengaran.

1. Label the structure of human ear. Labelkan struktur telinga manusia.

2. State the functions for the following ear parts. Nyatakan fungsi bagi bahagian telinga yang berikut.

i. Ear Pinna : ____________________________________________________________

Cuping telinga:

ii. Ossicles:____________________________________________________________ Osikel :

iii. Semi-circular canal: ___________________________________________________

Salur separuh Bulat:

iv. Cochlea:____________________________________________________________ Koklea:

v. Auditory nerve: ____________________________________________________

Saraf auditori:

vi. Eardrum: ____________________________________________________ Gegendang Telinga:

3. Complete the flow chart of the hearing mechanism. Lengkapkan carta alir bagi mekanisma pendengaran.

Pentaksiran Pertama Kedua Ketiga

Tarikh

Disahkan Oleh, __________________________

EAR PINNA Cuping telinga

BRAIN Otak

OSSICLES Osikel

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference: B3D3E1:

Labelling the structure of human eyes, explain the function of each structure and explain the mechanism of sight. Melabel struktur mata manusia, menerangkang fungsi struktur dan menjelaskan mekanisma penglihatan.

1. Label the structure of human eyes. Labelkan struktur mata manusia.

2. State the functions for the following eye parts. Nyatakan fungsi bagi bahagian mata yang berikut.

i. Retina: ____________________________________________________________ Retina :

ii. Optical nerve: ____________________________________________________________

Saraf optik:

iii. Pupil: ____________________________________________________________

Anak mata:

iv. Iris: _____________________________________________________________ Iris:

3. Complete the flow chart of the sight mechanism. Lengkapkan carta alir bagi mekanisma penglihatan.

CORNEA Kornea

BRAIN Otak

EYE LENS Kanta mata

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference: B3D4E1:

Explain the stereoscopic and monocular vision and relate with the survival of animals. Menjelaskan penglihatan stereoskopik dan manokular serta mengaitkan dengan

kemandirian haiwan.

Characteristic Ciri-ciri

Stereoscopic vision Penglihatan stereoskopik

Monocular vision Penglihatan monokular

Field of vision Medan penglihatan

Overlapping vision field Pertindihan medan penglihatan

Advantages kelebihan

Types of animals Jenis haiwan

Examples of animals Contoh haiwan

Stereoscopic field of vision (overlapping) Monocular field of

vision (overlapping)

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference: B4D5E1:

Showing the shortsightedness, longsightedness, how to correct the defects and to identify optical illusion and blind spot through activity. Menunjukkan rabun jauh, rabun dekat, cara membetulkannya dan mengenalpasti ilusi optik dan titik buta melalui aktiviti.

1. State the type of eye defects and the type of lenses use to overcome them. Nyatakan jenis kecacatan mata dan jenis kanta untuk membetulkannya.

a)

b)

2. Identify optical illusion. Mengenalpasti ilusi optik.

P Q R

i. Observe and study the diagram P,Q and R. The phenomenon in diagram P, Q and R, where we cannot see correctly is known as ______________________________. This phenomenon occurs when our brains cannot ________________________ the image correctly.

Eye defect: _____________________________

Type of lens: ____________________________

Reason: i. ______________________________

ii. ______________________________

Eye defect: _____________________________

Type of lens: ____________________________

Reason: i. ______________________________

ii. ______________________________

Perhatikan dan kaji rajah (a), (b) dan (c). Fenomena dimana kita tidak dapat melihat dengan betul dalam rajah (a), (b) dan (c) dikenali sebagai ______________________________. Kejadian ini berlaku apabila otak kita tidak dapat ______________________ perkara yang dilihat oleh mata kita dengan betul.

3.

i. With the right eye closed, the spot at the right is stared at by using the left eye. The paper is slowly moved towards your eye until the cross sign cannot be seen.

Dengan mata kanan ditutup, titik di sebelah kanan direnung dengan menggunakan mata kiri. Kertas didekatkan sehingga symbol tambah tidak dapat dilihat.

ii. The cross sign cannot be seen when the image of the symbol falls on the _____________. Simbol tambah tidak dapat dilihat apabila imej simbol ini terjatuh atas ______________________.

iii. Blind spot is where the ____________________ connect the retina to the brain. Titik buta ialah titik di mana _____________________ menyambungkan retina dengan otak.

Answers for B4D5E1

1. (a)

(b) 2 - Illusion optic - inteprete 3 - blind spot - optic nerve

+

Eye defect: short-sightedness

Type of lens: concave lens

Reason: i. the eyeball is too long

ii. the eye len is too thick

Eye defect: Long-sightedness

Type of lens: convxe lens

Reason: i. the eyeball is too short

ii. the eye len is too thin

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference: B4D6E1:

Relate the producing, need of a medium for sound travel, reflection and absorption of sound through activity. Menghubungkait penghasilan, keperluan medium untuk memindahan, pantulan dan penyerapan bunyi melalui aktiviti. PRODUCING SOUND BY VIBRATION

1. Fill the blanks with the correct answer Isi tempat kosong dengan jawapan yang betul

Activity Aktiviti

Observation Pemerhatian

I. Pluck the guitar string Petik tali gitar itu.

The guitar string ______________ when it is plucked And produces_____________________ Tali gitar_________________ apabila dipetik dan menghasilkan ____________________

II. - Open the empty tin and stretch a plastic rubbish

bag over the top securing it with a rubber band. Buka tin penutup tin kosong dan regangkan beg

sampah plastic di atasnya, pasangkannya dengan gelang getah.

- Put rice grains on the top and tap the stretched rubbish bag with a glass rod. Letakkan beras di

bahagian atas beg sampah yang telah diregangkan dan ketukkannya dengan rod kaca.

The rice grains____________________about when the stretched rubbish bag is tapped producing_______________ Beras ___________________apabila beg sampah palstik yang diregang itu diketuk dan menghasilkan_____________

III. - Fill a test tube with some water.

Isikan sedikit air ke dalam tabung uji

- Blow across the mouth of the test tube Tiup merentasi mulut tabung uji

Sound ___________________when air is blown across the mouth of the test tube. Bunyi ___________________ apabila udara ditiup merentasi mulut tabung uji.

Blow Tiup

2. Fill the blanks with the correct answer Isi tempat kosong dengan jawapan yang betul

PROCEDURE: 1. Set up the apparatus as shown in the diagram on the right Susun radas seperti yang ditunjukkan dalam rajah di sebelah kanan. 2. Switch on the electric bell to hear its sound. Hidupkan suis elektrik dan bunyi loceng yang terhasil didengar. 3. Start the vacuum pumpto suck out the air and record your observations in the table provided. Hidupkan pam vakum untuk menyedut keluar udara dan catatkan pemerhatian anda dalam jadual yang disediakan.

Observation: Pemerhatian

Situation

Observation

The switch of the electric bell is turned on. Suis loceng elektrik dihidupkan

Sound of the bell is _____________________. Bunyi loceng jelas ________________________.

The switch of the electric bell and the vacuum pump is turned on. Suis loceng elektrik dan pam vakum dihidupkan.

Sound of the bell become ____________________ and eventually is ___________________. Bunyi loceng menjadi semakin _______________ dan akhirnya _____________________.

Analysis:

1. What happened when all the air in the bell jar is removed? Apa yang berlaku apabila udara di dalam baling gas disingkirkan? The sound of the bell is ______________________________. Bunyi loceng ________________________. 2. What medium is needed for sound to travel in this activity? Apakah medium yang diperlukan untuk pemindahan bunyi dalam aktiviti ini? ________________________________________________ 3. Can sound travel through outer space?Give your reason. Bolehkah bunyi dipindahkan melalui angkasa lepas?berikan alas an anda. __________. Sound ________________ travel in a _________________. _____________. Bunyi ____________________ dipindahkan melalui _______________________.

3. Answer the question below by refer to the diagram given. Jawab soalan dibawah dengan merujuk kepada gambar rajah yang diberikan

1. Can your friend hear the ticking sound of the stopwatch? Dapatkah rakan anda dengar bunyi detikan jam randik

___________________________________________________________________________

2. What happen to the ticking sound of the stopwatch when it hits the cement floor? Apakah yang berlaku kepada bunyi detikan jam randik apabila bunyi itu terkena pada lantai simen?

___________________________________________________________________________

3. Which sound is louder , reflected from the cement floor or the newspaper? Bunyi manakah yang lebih kuat, yang dipantulkan dari lantai simen atau surat khabar?

___________________________________________________________________________

4. Which sound is louder ,reflected from the flat newspaper or the crumpled sheet of newspaper? Bunyi manakah yang lebih kuat, yang dipantulkan dari helaian surat khabar yang rata atau helaian surat khabar yang renyuk?

___________________________________________________________________________

Asbestos sheet Kepingan asbestos

Stopwatch Jam randik

Paper tube Tiub kertas

Topic: The World Through Our Senses Topik: Dunia Melalui Deria Kita

Name: ______________________________ Form: ___________________________ Reference: B4D6E2:

Relate the stereophonic hearing with the direction of sound through activity. Menghubungkaitkan pendengaran stereophonic yang diperlukan dengan arah bunyi melalui aktiviti.

1. Was your friend able to guess correctly the direction of the sound with

Dapatkah rakan anda meneka arah bunyi dengan betul apabila

(a) One ear covered? ____________________

Satu telinga ditutup?

(b) Both ears covered? ___________________

Kedua-dua telinga tidak ditutup

2. If the sound came from the left, which aer would the sound reach first?

Jika bunyi datang dari kiri, ke telinga yang manakah akan bunyi sampai dahulu?

__________________________________________________________________________

3. What is the advantage of hearing with both ears?

Apakah kelebihan mendengar dengan kedua-dua belah telinga?

___________________________________________________________________________

4. What is the name given when we use both ears to hear?

Apakah nama yang diberikan apabila kita mengguna kedua-dua telinga untuk mendengar?

___________________________________________________________________________

5. What is the advantage of stereophonic hearing to blind people?

Apakah kelebihan pendengaran stereofonik kepada orang buta?

__________________________________________________________________________

6. What is the conclusion from this activity?

Apakah kesimpulan daripada eksperimen ini?

Stereophonic hearing allows us to determine the _________________ of a sound correctly.

Pendenganran stereofonik membolehkan kita menentukan _____________ bunyi dengan

betul.

Topic: The World Through Our Senses Topik: DuniaMelaluiDeria Kita

Name: ______________________________ Form: ___________________________ Reference: B6D1E1:

Presentation of scrap book about technology used in overcoming the limitation of sight and hearing pembentangan hasil buku skrap mengenai alat teknologi yang sesuai untuk mengatasi masalah had deria penglihatan dan pendengaran.

You are required to carry out a research on technology in overcoming the limitation of sight and hearing including magnifying glass, microscope, telescope, binoculars, X-rays, Periscope, stethoscope, loudspeaker,etc. Collect information from books, internet and various resources and present your research in the form of a scrapbook. Your presentation should cover the following aspects of each technology. You’re given 1 month to complete this task. Your task must not less than 10 pages. Your scrap book included: Anda dikendaki menjalankan satu penyelidikan tentang alat teknologi yang digunakan untuk

mengatasi had penglihatan dan pendengaran termasuk kanta pembesar ,mikroskop, teleskop,

binocular, X-ray , periskop, stetoskop , alat pembesar suara dan sebagainya. Kumpulkan informasi

daripada buku, internet, dan pelbagai aspek-aspek setiap teknologi berikut.

Anda diberi masa sebulan untuk menyiapkan tugasan ini. Anda mesti membuat sekurag-kurangnya

10 muka surat. Buku skrap anda mesti mengandungi:

Content

Isi kandungan

Objectives

Objektif

A labelled picture

Sebuah gambar rajah berlabel

An explanation on how it operates

Penerangan cara operasi

The principle of light or sound applied

Prinsip-prinsip cahaya atau bunyi yang diaplikasikan

Conclusion

Rumusan

References

Rujukan

Disahkan Oleh, __________________________