Exam

Almost two month we get to UPSR.
And we we're will do 'Gerak Gempur'
So. do it your best.

Soalan Science

In screw there have:

i      wedge
ii      wheel and axle
iii     inclined plane
iv     pulley

A   i and ii                                    B   i and iii
C   i and iv                                   D   ii and iv