Uses of Material Properties

download Uses of Material Properties

of 3

description

Peka Sains

Transcript of Uses of Material Properties

PRACTICAL YEAR 4

NAME : _______________________________________ CLASS : _________________________________ DATE : ________________

PRACTICAL 5 USES OF PROPERTIES OF MATERIALS (4/3/1.3/1-4)What Do I Want? (Aim/Purpose)Apa yang saya ingin tahu?(Tujuan)

1. To investigate the properties of materials and the reason why particular materials are used to make an object.Untuk menyiasat tentang sifat-sifat bahan dan mengapa bahan-bahan tertentu digunakan untuk membuat sesuatu objek.

Relationship : Different objects are made from different _____________ based on the ______________ of the materials.

Hubungan: Objek yang berlainan diperbuat daripada ______________ yang berlainan berdasarkan _______________ bahan tersebut.What Do I Need?

Apa yang saya perlukan?

frying pan / kuali spectacles / cermin mata mop / mop

glasses / gelas wire / wayar polystyrene cup / cawan polisterin

cotton wool / kapas cloth / kain transparency sheet

plastik lutsinar

rubber band / gelang getah towel / tuala tracing paper / kertas surih

a) What do you change? : ________________________________________________________________________________Apa yang diubah?

b) What do you observe / measure? : __________________________________________________________________Apa yang diperhatikan/diukur?

c) What do you keep the same? : _______________________________________________________________________Apa yang dikekalkan?

What Do I Do?

Apa yang saya perlu buat?

1. Work in groups of four.

Jalankan penyiasatan dalan satu kumpulan empat orang.

2. Study the objects provided by your teacher.

Kaji objek-objek yang dibekalkan oleh guru anda.

3. Discuss about the materials used to make the objects and the reasons why those materials are used to make the objects.Bincang tentang bahan-bahan yang digunakan untuk membuat objek-objek tertentu dan alasan mengapa bahan-bahan itu yang dipilih.

4. Record your finding in the table provided. Rekodkan pemerhatian anda ke dalam jadual yang dibekalkan.What Do I Find?

Apa yang saya temui?

Based on your discussion, record your findings.

Object

ObjekMaterials used to make

Bahan yang digunakanProperties

Ciri-ciriReasons

Sebab

Frying pankuali

GlassesGelas

Cotton woolKapas

Rubber bandGelang getah

SpectaclesCermin mata

WireWayar

ClothKain

TowelTuala

Mopmop

PolystyrenePolistrin

Transparency sheetplastic lutsinar

Tracing paperKertas surih

What Do I Condude?

Apakah kesimpulan saya?

Different ____________________________ are made from different _________________________based on the properties of the ________________________________________________________ yang berbeza dibuat daripada__________________________yang berbeza berdasarkan kepada ciri-ciri ________________________itu.

Page 1