SCI-3
KES - Compound Machines
Exam not valid for Paper Pencil Test Sessions
[Exam ID:1HKCLY
1
A wheelbarrow uses which two simple machines? A Inclined plane, wedge
B Pulley, wheel and axle
C Wheel and axle, lever
D Pulley, inclined plane
2
What compound machine is shown in the picture?
A Hook
B Bobber
C Fishing rod
D Fishing line
3
What is the compound machine shown in the picture?
A Pizza ingredients
B Pizza
C Pizza cutter
D Pan
4
A pair of scissors uses which two simple machines?
A Screw and pulley
B Lever and inclined plane
C Lever and wedge
D Wedge and pulley
5
Which simple machine do the compound machines shown have in common?
A Screw
C Wheel & axle
E Pulley
B Inclined plane
D Lever
F Wedge
6
Directions: Type your answer in the box.
A pair of scissors is a compound machine made of two simple machines. One of them is a lever. What number shows the other simple machine that makes up scissors?
7
This picture shows a compound machine. What will happen to the window if the bowling ball rolls off the balance?
A The window will lock.
B The window will stay shut.
C The window will open.
D The window will break.
8
Which simple machines are used to make this compound machine work?
A Lever and inclined plane
B Wheel & axle and lever
C Pulley and inclined plane
D Pulley and lever
9
Which of the following is NOT a compound machine?
A
B
C
D
10 Directions: Click on each answer you want to select. You must select all correct answers.
Identify the simple machines seen in the picture.
Lever
Screw
Wheel & axle
Pulley
11 A compound machine —
A is made of two or more simple machines
B increases the amount of work
C makes work harder to complete
D is made of one simple machine
12 Which is an example of a compound machine?
A Pencil
B Ramp
C Nail
D Scissors
13 A bicycle consists of which two simple machines?
A Wedge, wheel and axle
B Wheel and axle, lever
C Lever, inclined plane
D Inclined plane, pulley