Investigating Materials

Y4/T3/LO 1.1/WS1

Learning objective : 1.1     Understanding the properties of materials. Learning outcome  : 1.1.1   Classify objects into groups according to the materials                                          they are made of.

1. Group the objects according to the materials they are made of:

Y4/T3/LO 1.1/WS2

Learning objective: 1.1    Understanding the properties of materials. Learning outcomes: 1.1.2 Identify materials that conduct electricity.               1.1.3 Identify materials that conduct heat.               1.1.4 Identify materials that float on water.                             1.1.5 Identify materials that absorb water.               1.1.6 Identify materials that can be stretched.                             1.1.7 Identify materials that allow light to pass through. Complete the following table according to the physical properties of the materials given Y4/T3/ES1 Learning Objective 1.1 : Understanding the properties of materials. 1. Diagram below shows an object a. Name the suitable materials to make a raincoat.           _____________________________________________________ b. Give two reasons for your answer in (a). i ) ___________________________________________________ ii)  ___________________________________________________ c. Can cotton be used to make a raincoat? _________________________________________________________________________________ d. Explain your answer in (c). _________________________________________________________________________________ Y4/T3/SQ1 Learning Objective 1.1 : Understanding the properties of materials. 1. A fair test was done to study the relationship between the number of sponges      used and the amount of water absorbed. Table 1 above shows the results obtained. a) State one observations during this activity: _________________________________________________________________________________ b) What is the aim of the fair test above? ______________________________________________________ ______________________________________________________ c) State the trend of the volume of water absorbed. ______________________________________________________ d) Predict the number of sponges used if the amount of water absorbed is 96 ml. ______________________________________________________ e) Give one hypothesis that can be made. ______________________________________________________ Answers: Y4/T3/LO 1.1/WS1   Metal             (can, nail, key, aluminum foil) Logam            ( tin, paku, kunci,kertas aluminium ) Plastic             (plastic spoon, dice, pail) Plastik             ( sudu plastik , dadu, baldi ) Wood              (wooden table, matches, wooden ruler, paper) Kayu                ( Meja kayu, maqncis, pembaris kayu, kertas ) Glass               (glass, test tube, marble) Kaca               ( gelas, Tabung uji, guli ) Rubber           (rubber band, tyre, balloon, eraser) Getah             (gelang getah, tayar, belon, pemadam ) Y4/T3/LO 1.1/WS2     a) Conduct electricity/ mengalirkan arus letrik              metal/logam b) Conduct heat/menerima haba yang baik                                 metal/ logam c) Absorb water/ menyerab air                                         wood/ kayu d) Can be stretch/ dapat di regangankan                                    rubber/ getah e) Allow light to pass through                                            plastic & glass Membenarkan cahaya melaluinya                                       plastik & kaca f) Float on water                                                                  wood & plastic terapung diatas air                                                              Kayu & plastik Y4/T3/ES1     a) Synthetic cloth/synthetic material/plastic/nylon Pakaian sintetik / bahan sintetik/ plastik/ nylon b) i   waterproof/does not absorb water/kalis air/ tidak menyerab air     ii  light / easy to carry/ ringan/ mudah dibawa kemana-mana c) No/Tidak d) cotton can absorb water/ Kapas menyerab air Y4/T3/SQ1    a)    Volume of water absorbed the most when 3 sponges were used (accept any suitable answer) Isipadu air diserab paling banyak apabila menggunakan 3 span ( terima mana-mana jawapan yang sesuai) b)   To investigate the relationship between the numbers of sponges used and the volume/ amount of water absorbed. Untuk menyiasat hubungan diantara bilangan span yang digunakan dengan isipadu air / kuantiti air yang dapat diserap c)    Increases/ Meningkat d)   3 e)    Increase,increase/ meningkat, meningkat