Primary 3 Science · Worksheet
Diversity of Materials
Name:Date:Marks: / 16
Section A · Multiple choice 5 marks
1. Which property makes a raincoat good for wet days?
(A) Transparent(B) Waterproof(C) Magnetic(D) Brittle
2. Why are windows made of glass?
(A) Glass is strong and bends easily(B) Glass is transparent so light passes through(C) Glass is magnetic(D) Glass floats on water
3. Which material is the best for a towel?
(A) Plastic sheet(B) Cotton cloth(C) Glass(D) Aluminium foil
4. A material that can be bent easily without breaking is…
(A) Rigid(B) Flexible(C) Brittle(D) Opaque
5. Which sentence is correct?
(A) All heavy things sink(B) All light things float(C) Some heavy things float, such as a large wooden log(D) Metals always float
Section B · Fill in the blanks 5 marks
Word bank: flexible · strong · waterproof · absorbent · transparent
6. A rope is because it can hold a heavy load without breaking.
7. A sponge is because it soaks up water.
8. A rubber band is because it bends and stretches.
9. An umbrella cover is so we stay dry.
10. A clear plastic bottle is , so you can see the water inside.
Section C · Short answers 6 marks (2 each)
11. Why is metal a good material for a cooking pot?
12. Give one reason why a wooden chair is better than a paper chair.
13. A student tests whether a few objects float. What should the student do to make the test fair?
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