Page 121 - SK Year 6 Science DLP

FORCE
FORCE
DAYA

a) Which metal ball experiences the biggest frictional force?
b) Give reasons to support your answer in (a).
c) Transfer the data in the form of a bar chart.

5. The picture shows a boy pulling
a box. How can he move the box
more easily?

I. Using wooden rollers.
II. Create a pattern on the surface of the box.
III. Ensure the surface of the box is clean.
IV. Put a cloth under the box and pull it using the cloth.

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

6. A group of pupils carried out an investigation on a toy car that moves on
different types of surfaces. They found that the distance travelled by the toy
car is as follows:

Type of Distance travelled by
surface toy car (cm)
X 50
Y 40

Z 30

a) Write an observation of this investigation.
b) Give an inference based on your observation in (a).
c) What is the aim of this investigation?
d) If surface X is a plastic sheet and surface Y is a piece of sandpaper,
predict surface Z.

The mass of a vehicle affects the amount of frictional force
experienced by it.

e) State a relationship between the two variables gathered based on
the statement above.

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