Quiz about Complex Machines

Question 1

What do you call a machine made up of two or more simple machines?

Accepted Answer

complex machine

Answer

complicated machine

Answer

constructed machine

Question 2

Which statement correctly explains a complex machine?

Accepted Answer

A complex machine is a tool that consists of a combination of more than one simple machine

Answer

A complex machine is made up of one or more simple machines

Question 3

The picture shows _________

Accepted Answer

Complex machine

Answer

Simple machine

Question 4

An axe is a complex machines. It consists _____________

Accepted Answer

wedge

Answer

wheel and axle

Answer

pulley

Answer

inclined plane

Question 5

Combining two or more simple machines together creates a ___.

Accepted Answer

complex machine

Answer

simple machine

Answer

lever

Answer

wedge

Question 6

Which of the following simple machines can be found in this complex machine?

Accepted Answer

Screw and wedge

Answer

pulley and wedge

Answer

Screw and inclined plane

Question 7

A wheelbarrow is an example of a complex machine. Which simple machine is NOT found in this object?

Accepted Answer

wedge

Answer

lever

Answer

wheel and axle

Question 8

A fishing pole is an example of a complex machine. What simple machines are used to make up this complex machine?

Accepted Answer

lever, wheel and axle, pulley

Answer

wheel and axle, inclined plane, pulley

Answer

wheel and axle, pulley, inclined plane

Question 9

What simple machines are used to make up this complex machine? Tick three ( / ) correct answers.

Accepted Answer

gear

Accepted Answer

screw

Accepted Answer

wheel and axle

Answer

pulley

Question 10

Which one of these is not complex machine?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 11

Complex machines can do more difficult jobs than simple machines alone.

Accepted Answer

True

Answer

False

Question 12

What do you call a machine made up of two or more simple machines?

Accepted Answer

compound machine

Answer

complicated machine

Answer

comprehensive machine

Answer

constructed machine

Question 13

What is a complex machine?

Accepted Answer

A machine made up of two or more simple machines

Answer

A machine that operates without human intervention

Answer

A machine that is used in complex calculations

Answer

A machine that is powered by electricity

Question 14

Which of the following is an example of a complex machine?

Accepted Answer

A bicycle

Answer

A pair of scissors

Answer

A hammer

Answer

A pulley

Question 15

How do complex machines benefit from combining simple machines?

Accepted Answer

They can perform more complex tasks

Answer

They require less maintenance

Answer

They are easier to build

Answer

They consume less energy

Question 16

Which simple machines are combined in a wheelbarrow?

Accepted Answer

Lever and wheel and axle

Answer

Inclined plane and screw

Answer

Pulley and wedge

Answer

Lever and pulley

Question 17

What role does a gear play in a complex machine?

Accepted Answer

It changes the direction of force

Answer

It increases speed

Answer

It reduces friction

Answer

It stores energy

Question 18

In a bicycle, which part acts as a lever?

Accepted Answer

The pedals

Answer

The chain

Answer

The seat

Answer

The handlebars

Question 19

What is the primary function of a pulley in a complex machine?

Accepted Answer

To lift heavy loads

Answer

To increase speed

Answer

To reduce noise

Answer

To store energy

Question 20

Which of the following is NOT a characteristic of complex machines?

Accepted Answer

They are always powered by electricity

Answer

They are made of multiple simple machines

Answer

They can perform multiple functions

Answer

They can be manually operated

Question 21

How does an inclined plane contribute to a complex machine?

Accepted Answer

It allows for easier lifting of objects

Answer

It increases the speed of movement

Answer

It reduces the need for lubrication

Answer

It stores potential energy

Question 22

What is the advantage of using a complex machine over a simple machine?

Accepted Answer

It can perform tasks more efficiently

Answer

It is cheaper to produce

Answer

It requires less skill to operate

Answer

It is more environmentally friendly

Question 23

Which of the following is a real-world application of a complex machine?

Accepted Answer

A crane lifting heavy materials

Answer

A pencil sharpener

Answer

A door hinge

Answer

A light bulb

Question 24

What is the main difference between a simple and a complex machine?

Accepted Answer

Complex machines are made of multiple simple machines

Answer

Simple machines are more efficient

Answer

Complex machines are smaller

Answer

Simple machines are powered by electricity

Complex Machines

25 questions

What do you call a machine made up of two or more simple machines?

Which statement correctly explains a complex machine?

The picture shows _________

An axe is a complex machines. It consists _____________

Combining two or more simple machines together creates a ___.

type of machine made up of two or more simple machines

Which of the following simple machines can be found in this complex machine?

A wheelbarrow is an example of a complex machine. Which simple machine is NOT found in this object?

A fishing pole is an example of a complex machine. What simple machines are used to make up this complex machine?

What simple machines are used to make up this complex machine? Tick three ( / ) correct answers.

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