Page 169 - SK Year 6 Science DLP

WASTE MATERIALS
WASTE MATERIALS
BAHAN BUANGAN

4. What are the impacts of reckless disposal of non-biodegradable
wastes?
I. Pollution II. Skin disease
III. Waste of energy IV. Flash flood

A. I and II
B. I and IV
C. II and III
D. III and IV

5. Anna and her friends conducted an
investigation on two types of waste
materials planted in a container filled
with soil for 4 weeks.
a) After 4 weeks, state what can be observed
on the following waste materials:
i. Fish
ii. Plastic bottle
b) Give an inference based on your observations in (a).
c) What is the purpose of this experiment?
d) What conclusion can you make from this investigation?

6. The chart shows the results of an investigation on the total
number of plastic bags used in city A.
Total usage of
a) State the information collected in plastic bags
(tonne)
this investigation.
150
b) Write a statement to relate the two
information in (a). 100
c) State one bad impact on city A due to the
change in the pattern shown. 50
d) State one inference to explain the change in 0 Month
the number of plastic bags used from January January April August December
to December.

The number of dengue cases in city A is influenced by the
amount of waste materials produced by residents.

e) Make a hypothesis based on the above statement.

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