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Worksheet Classification of Materials

Worksheet Classification of Materials – This worksheet consists of two sections are section A and section B. Section A contains multyple choice questions and section B is essay. Without reffering to the textbook, try to answer this question.

Section A
Choose the best answer by circling the letter a, b, c, or d !

1. Which of these statements is true about substances which are liquids at room temperature?
a. Their boiling point is above room temperature but their melting point is below.
b. Their boiling point is below room temperature but their melting point is above.
c. Their melting and boiling points are above room temperature.
d. Their melting and boiling points are both below room temperature.

2. Which physical property of a material is not important when making a kitchen saucepan from this material?
a. Appearance                               c. Density
b. Electrical conductivity               d. Melting point

3. A group of objects with similar properties is called a set. Which of these is a set?
a. Tin cans, food, knives, kettles
b. Beakers, tripods, flasks, test tube
c. Clothes, carpets, curtains, cushions
d. Bricks, tiles, windows, doors

4. Which of these is not a physical property of a material?
a. Colour     b. Conductivity    c. Density    d. Mass

5. A certain material has the following properties : it is non-corrosive, transparent,flexible and does not conduct electricity. Which class of material does it belong to?
a. Metal            b. Ceramic            c. Plastic            d. Wooden

6. Which of these materials is incorrectly classified?



a. Nylon Plastic
b. Brass Metal
c. Clay Fibre
d. Glass Ceramic

7. An up and over manual garage door is made of aluminium metal. Some properties of aluminium are :
I. Does not corrode
II. Low density
III. Good conductor of heat
Which of these properties make it suitable for this use?
a. I only         b. I and II        c. II and III         d. All of these

8. Quartz will scratch chalk but is scratched it self by diamond. Which is the correct order of hardness (softest first)?
a. Chalk, diamond, quartz
b. Quartz, chalk, diamond
c. Diamond, chalk, quartz
d. Chalk, quartz, diamond

9. Which of the following is/are matter?
I.    Clouds
II. Heat
III. Light
IV. Sound
a.    I only    b. I and II          c. I, II and III    d. All of them

10. Which of these materials is incorrectly classified?



a. Music CD Metal
b. Microwave Ceramic
c. Saucepan Plastic
d. Terylene shirt Fibre

Section B
Answer the following question on the space provided
1. Suggest a suitable material for making each object from the five main types of materials (ceramic, fibre, glass, metal and plastic) and state three properties of the material which make it suitable for each object.




Food wrapper    



Brick wall    



Oven-proof bowl    









2. Indicate if these statements about classes of materials (metals, glass, plastics, fibres and ceramics) are true or false by putting a T or F in the box at the side.
a.    Fibres can be spun into threads  (     )
b.    All metals are solids at room temperature  (     )
c.    Glass  conducts electricity but not heat  (     )
d.    Fibres can be dyed into many colours  (     )
e.    Ceramics are good conductors of heat  (     )
f.    Glass and metals can be shaped at high temperature  (     )
g.    Plastics have a low density compared to metals  (     )
h.    Glass is malleable and ductile  (     )

3. Plastic bags have replaced paper bags for the packaging of most materials. Give advantages and two disadvantages of using plastic over paper.

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