Year 6 Unit 4.1 Review Questions

What is a system?

What do we call a system that consists of electrical components?

What is the component that moves in the electrical system of a fan?

When a part of a system is faulty, would it still perform its function?

Scissors fall under a classification of simple machines known as ________.

A see-saw in a playground is a type of:

What type of simple machine is being used when Ahmad pushes an object on a flat surface from a lower to higher ground?

What are the two types of simple machines that are related to the inclined plane?

An inclined plane decreases the amount of force required to move an object by

Which of the following options describes a type of screw used for lifting and lowering objects?

A bolt and nut that hold objects together can be considered as a simple machine, known as ___________.

What type of simple machine is made up of two inclined planes meeting at a point?

Please identify which of the following options is not an example of a wedge:

What type of simple machine is used to split firewood?

Which of the following options represents a device used for lifting and lowering objects with a screw mechanism?

Please select the example of a screw from the options below:

A tap is a basic example of a machine. Please identify part X below:

A car steering wheel can be classified as a type of:

A simple machine that has a grooved wheel with a rope running through it is called a ___________.

Which type of simple machine did Ali use to lift a heavy object in the diagram below?

If Ali is using two pulleys instead of one, what will happen when he lifts the object?

What type of simple machine is displayed below?

When a large gear rotates a smaller gear, what happens to the smaller gear? Which of the following is true?

When a large gear completes one full rotation, how many rotations does the smaller gear complete?

Where are gears commonly used?