Year 6 Unit 4.1 Man-made Systems

A system is composed of different interconnected parts that work together to perform a specific function. Please read the passage below and answer the questions.

The electrical system is made up of various electrical components that are connected to one another to perform a function. The figures below provide examples of electrical systems.

Questions:

What is the function of the electrical system in Figure 1?

A system is composed of different interconnected parts that work together to perform a specific function. Please read the passage below and answer the questions.

The electrical system is made up of various electrical components that are connected to one another to perform a function. The figures below provide examples of electrical systems.

Questions:

If one part of the electrical system is not working, will the bulb light up? 

A system is composed of different interconnected parts that work together to perform a specific function. Please read the passage below and answer the questions.

The electrical system is made up of various electrical components that are connected to one another to perform a function. The figures below provide examples of electrical systems.

In the circuit shown in Figure 2, a motor is connected. The motor is the moving part of electrical appliances.

Questions:

What is the intended function of the electrical system in Figure 2? 

A system is composed of different interconnected parts that work together to perform a specific function. Please read the passage below and answer the questions.

The electrical system is made up of various electrical components that are connected to one another to perform a function. The figures below provide examples of electrical systems.

In the circuit shown in Figure 2, a motor is connected. The motor is the moving part of electrical appliances.

Questions:

Will the motor move if the switch is disconnected?

A system is composed of different interconnected parts that work together to perform a specific function. Please read the passage below and answer the questions.

The electrical system is made up of various electrical components that are connected to one another to perform a function. The figures below provide examples of electrical systems.

In the circuit shown in Figure 2, a motor is connected. The motor is the moving part of electrical appliances.

Questions:

The motor will function when the switch is in the ____ (ON/OFF) position to complete the circuit.

Electrical appliances operate using electrical systems with various electrical components that function in different ways. Refer to Figure 3 for examples of common electrical appliances found in homes. Identify the electrical components of each appliance and their corresponding functions using the provided list. Each component may be used more than once.

A mechanical system is made up of various components that work together to perform a specific function. Figure 4 provides examples of mechanical systems. Please read the following passage and answer the question below.

A windmill is a mechanical system that generates electricity. It consists of three main components: blades, a generator, and a pole.

Question:

Which component of the windmill generates electricity?

A mechanical system is made up of various components that work together to perform a specific function. Figure 4 provides examples of mechanical systems. Please read the following passage and answer the question below.

A windmill is a mechanical system that generates electricity. It consists of three main components: blades, a generator, and a pole.

Question:

If a blade is broken, will the windmill still generate electricity?

A mechanical system is made up of various components that work together to perform a specific function. Figure 4 provides examples of mechanical systems. Please read the following passage and answer the question below.

A parachute has three main components: canopy, risers, and harness. Proper functioning of these components is crucial for safety.

Question:

Which component of the parachute slows down the descent of a jumper?

A mechanical system is made up of various components that work together to perform a specific function. Figure 4 provides examples of mechanical systems. Please read the following passage and answer the question below.

A parachute has three main components: canopy, risers, and harness. Proper functioning of these components is crucial for safety.

Question:

Is it safe to jump if one of the components is not functioning properly?

What is a simple machine? A simple machine is a tool that makes work easier. It helps to magnify or change the direction of force, allowing someone to do the same work with less effort. Read the passage below and answer the questions.

A lever is a simple machine made of a rigid board that turns about a fixed point called a fulcrum. Please refer to Figure 5 to see a lever.

Questions:

Identify and label the parts of the lever shown in Figure 6, which is an example of a hammer that uses a lever mechanism.

What is a simple machine? A simple machine is a tool that makes work easier. It helps to magnify or change the direction of force, allowing someone to do the same work with less effort. Read the passage below and answer the questions.

A lever is a simple machine made of a rigid board that turns about a fixed point called a fulcrum. Please refer to Figure 5 to see a lever.

Questions:

Which of the following is examples of a lever?

What is a simple machine? A simple machine is a tool that makes work easier. It helps to magnify or change the direction of force, allowing someone to do the same work with less effort. Read the passage below and answer the questions.

A lever is a simple machine made of a rigid board that turns about a fixed point called a fulcrum. Please refer to Figure 4 to see a lever.

Questions:

Figure 7 are pliers and scissors. How many levers do they have?

An inclined plane is a simple machine that consists of a flat surface that is higher at one end. It makes it easier to move an object to a higher or lower place since the effort required is less and the distance moved increases.

Figure 8 displays an inclined plane. Please answer the following questions:

Questions:

An inclined plane is a simple machine with a ________ (sloping / rough) surface.

An inclined plane is a simple machine that consists of a flat surface that is higher at one end. It makes it easier to move an object to a higher or lower place since the effort required is less and the distance moved increases.

Figure 8 displays an inclined plane. Please answer the following questions:

Questions:

A wedge is a simple machine that has one end thick and the other end thin or sharp. Figure 9 shows a wedge. How many inclined planes does a wedge have?

An inclined plane is a simple machine that consists of a flat surface that is higher at one end. It makes it easier to move an object to a higher or lower place since the effort required is less and the distance moved increases.

Figure 8 displays an inclined plane. Please answer the following questions:

Questions:

Figure 10 shows examples of everyday use of inclined planes. Identify these simple machines.

The wheel and axle is a simple machine that consists of a large wheel rotating around a smaller cylindrical axle. It helps to turn or lift heavy objects and magnifies the force to make work easier, as shown in Figure 11. Please answer the following questions:

Question:

Identify and name the everyday examples of wheels and axles provided in the boxes.

The wheel and axle is a simple machine that consists of a large wheel rotating around a smaller cylindrical axle. It helps to turn or lift heavy objects and magnifies the force to make work easier, as shown in Figure 11. Please answer the following questions:

Question:

How does the wheel and axle make work easier?

A pulley is a simple machine that consists of a wheel wrapped with a rope or wire. It is used to change the direction of force. See Figure 12 for a visual representation of how a pulley works. Please answer the following questions:

Questions:

When using a pulley to move an object, one end of the rope is pulled down and the other end with the object is _________.

A pulley is a simple machine that consists of a wheel wrapped with a rope or wire. It is used to change the direction of force. See Figure 12 for a visual representation of how a pulley works. Please answer the following questions:

Questions:

Which is easier to lift a heavy object?

A pulley is a simple machine that consists of a wheel wrapped with a rope or wire. It is used to change the direction of force. See Figure 12 for a visual representation of how a pulley works. Please answer the following questions:

Questions:

Cranes and flagpoles use _____ (pulleys / levers) to lift objects

Gears are made up of two or more wheels with teeth. These wheels, which are of different sizes, can be used to increase the power of a turning force. The smaller wheel turns more quickly but with less force, while the larger one turns more slowly but with more force. Refer to Figure 13 to understand how gears work, and answer the following questions:

Questions:

When one gear turns, does the other gear turn in the opposite or same direction?

Gears are made up of two or more wheels with teeth. These wheels, which are of different sizes, can be used to increase the power of a turning force. The smaller wheel turns more quickly but with less force, while the larger one turns more slowly but with more force. Refer to Figure 13 to understand how gears work, and answer the following questions:

Questions:

Gears are commonly used in cars, drills, bicycles, and mechanical watches to increase force or speed. Is this True or False?

Gears are made up of two or more wheels with teeth. These wheels, which are of different sizes, can be used to increase the power of a turning force. The smaller wheel turns more quickly but with less force, while the larger one turns more slowly but with more force. Refer to Figure 13 to understand how gears work, and answer the following questions:

Questions:

When a large gear turns a smaller gear, does the smaller gear turn faster but with less or greater force?

Gears are made up of two or more wheels with teeth. These wheels, which are of different sizes, can be used to increase the power of a turning force. The smaller wheel turns more quickly but with less force, while the larger one turns more slowly but with more force. Refer to Figure 13 to understand how gears work, and answer the following questions:

Questions:

When a small gear turns a large gear, does the large gear turn slower but with greater or less force?