Quiz about SCIENCE YEAR 4 : MACHINES

Question 1

A lever consist of these things.

Accepted Answer

Load

Accepted Answer

Fulcrum

Accepted Answer

Effort

Answer

Machine

Question 2

Which of the following are the benefits of using a simple machine?

Accepted Answer

Saves time.

Accepted Answer

Uses less energy.

Answer

Stylish.

Answer

Uses latest technology which are expensive.

Question 3

The simple machine shown is a __________________.

Accepted Answer

Pulley

Answer

Wheel and axle

Answer

Screw

Answer

Lever

Question 4

Which of the following is the best to lift an object high on to an object?

Accepted Answer

Pulley

Answer

Wheel and axle

Answer

Screw

Answer

Lever

Question 5

If you have a heavy object which is to be moved daily, which of the following will help save time and energy?

Accepted Answer

Wheel and axle

Answer

Screw

Answer

Lever

Answer

Pulley

Question 6

It has one pointed end and often used for cutting.

Accepted Answer

Wedge

Answer

Screw

Answer

Pulley

Answer

Lever

Question 7

Which of the following simple machine is not found in a wheel barrow?

Accepted Answer

Wedge

Answer

Screw

Answer

Wheel and axle

Answer

Lever

Question 8

Which of the following is NOT an example of a complex machine?

Accepted Answer

stairs

Answer

bicycle

Answer

lawn mower

Answer

scissors

Question 9

How many basic types of simple machines are there?

Accepted Answer

7

Answer

6

Answer

8

Answer

9

Question 10

Can you name this simple machine?

Accepted Answer

wheel and axle

Answer

lever

Answer

pulley

Answer

wedge

Question 11

A machine is used for a purpose to:

Accepted Answer

make work easier

Answer

make work harder

Answer

prevent work being done

Answer

make work more complicated

Question 12

This simple machine helps force objects apart.

Accepted Answer

wedge

Answer

lever

Answer

pulley

Answer

inclined plane

Question 13

A door knob is an example of which machine?

Accepted Answer

wheel and axle

Answer

screw

Answer

pulley

Answer

inclined plane

Question 14

Stairs are an _____________________

Accepted Answer

inclined plane

Answer

wedge

Answer

pulley

Answer

wheel and axle

Question 15

What is a simple machine?

Accepted Answer

a device that makes work easier

Answer

a device that has only one working motor

Answer

a device that makes more work for a job

Answer

device that is made up of two or more machines

Question 16

Which of the following is true about the lever?

Accepted Answer

Consists of load, force and fulcrum

Answer

It consists of two part

Answer

The fixed point is called the effort

Answer

Fulcrum and the load are two fixed points

Question 17

"The effort is affected by the position between the fulcrum and the load"

What is the type of simple machine?

Accepted Answer

Lever

Answer

Wheel and axle

Answer

Inclined plane

Answer

Pulley

Question 18

Wheel and Axle

Gear

Screw

Which of the following devices consists of simple machines as listed above?

Accepted Answer

Hand drill

Answer

Wheelbarrow

Answer

Nail cutter

Answer

Scissors

Question 19

Between A, B, C and D, Which is the fulcrum?

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 20

Which of the following tools uses the wedge principle?

Accepted Answer

Q and S

Answer

P and Q

Answer

P and R

Answer

R and S

Question 21

Which inclined plane is required the greatest amount of force to move the metal block up?

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 22

Which is an example of someone using a simple machine to do work?

Accepted Answer

a mother pushes a stroller up a ramp

Answer

a boy runs across a football field

Answer

a banker counts money

Answer

a girl eats a sandwich

Question 23

Huzaifah is using a screwdriver, which is a type of ...

Accepted Answer

a wheel and axle

Answer

a pulley

Answer

a screw

Answer

a lever

Question 24

What simple machine holds things together?

Accepted Answer

Screw

Answer

Wedge

Answer

Lever

Answer

Pulley

Question 25

What type of simple machine are these people using to move the wheel chair into the school bus?

Accepted Answer

inclined plane

Answer

lever

Answer

wedge

Answer

pulley

Question 26

A push or pull that can move an object

is a ____________________

Accepted Answer

force

Answer

fulcrum

Answer

machine

Answer

lever

Question 27

What is the fixed point where a lever turns or pivots?

Accepted Answer

fulcrum

Answer

load

Answer

work

Answer

screw

Question 28

Which of the following objects is NOT compound machine?

Accepted Answer

screw

Answer

scissors

Answer

thumb tack

Answer

light bulb

Question 29

The ____________ consists of a rod attached to a wheel, and makes it easier to move or turn things. A door knob is an example of this simple machine.

Accepted Answer

wheel and axle

Answer

lever

Answer

pulley

Answer

wedge

Question 30

A ________________ is a combination of two or more

simple machines. Examples include scissors, wheelbarrow,

and a bicycle.

Accepted Answer

complex machine

Answer

compound machine

Answer

quarter machine

Answer

simple machine

Question 31

Which of the following tools is the most sustainable to be used to harvest paddy?

Accepted Answer

Option B is correct

Answer

A.

Answer

C.

Answer

D.

Question 32

Which method can help Alyssha to open the lid easier?

Accepted Answer

increase the distance between Alyssha's hand and the circular part of the spoon

Answer

use a thinner spoon

Answer

reduce the distance between Alyssha's hand and the circular part of the tin

Answer

exert a stronger pushing force

Question 33

This simple machine cut objects apart.

Accepted Answer

wedge

Answer

lever

Answer

pulley

Answer

inclined plane

Question 34

A seesaw is an example of a

Accepted Answer

lever

Answer

wedge

Answer

inclined plane

Answer

pulley

Question 35

The device used to raise a flag up a flag pole is an example of a

Accepted Answer

pulley

Answer

wheel and axle

Answer

lever

Answer

inclined plane

Question 36

A simple machine that splits an object apart is a

Accepted Answer

wedge

Answer

inclined plane

Answer

fulcrum

Answer

lever

Question 37

What type of simple machine is shown here?

Accepted Answer

Pulley

Answer

Wheel and Axle

Answer

Lever

Answer

Wedge

Question 38

The picture shows a part of a bicylce which is a _____________

Accepted Answer

gear

Answer

wheel and axle

Answer

lever

Answer

pulley

Question 39

A push or pull that can move an object is a _____________________

Accepted Answer

force

Answer

fulcrum

Answer

machine

Answer

lever

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