Lesson Notes By Weeks and Term v4 - SHS 1

Lesson Video

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Performance objectives

• Identify and sketch the major parts of aerospace vehicles.
• Explain the four basic principles of flight.
• Differentiate between airplanes, helicopters, and rockets.

Lesson summary

This lesson introduces the fundamental components of various aerospace vehicles. We see aeroplanes flying over our cities like Accra and Kumasi, and we hear about satellites that help us with our mobile phones and TV. But what are the different parts of these amazing machines, and what do they do? This lesson is not just about drawing; it is about understanding the "anatomy" of flight. By learning to identify, sketch, and label the major parts of aircraft and spacecraft, we build a foundational understanding of how these vehicles are designed to function.

Lesson notes

This section breaks down the essential parts of the most common aerospace vehicles. We will focus on the "what" (the name of the part) and the "why" (its main job). A. Fixed-Wing Aircraft (Aeroplane)

This is the most common type of aircraft we see. Think of the planes from Africa World Airlines or Passion Air. They all share these basic parts.

*(Teacher to draw a similar diagram on the board)* Fuselage: This is the main body of the aircraft. Function: It holds everything together. It contains the cockpit (where the pilots sit), the cabin (for passengers and cargo), and connects the wings and tail. Think of it as the backbone of the plane. Wings: These are the large, flat surfaces extending from the sides of the fuselage. Function: This is the most important part for flight. Their special curved shape (called an airfoil) generates lift when air flows over them, which is the force that pushes the plane up and overcomes gravity. Engines: These can be found under the wings (like on a Boeing 737) or on the rear of the fuselage. Function: The engines provide thrust, the force that pushes the aircraft forward through the air. There are two main types: jet engines and propeller engines. Empennage (Tail Assembly): This is the entire tail section of the aircraft. It has two main parts for providing stability and control. Horizontal Stabiliser: The small, wing-like structure at the back. It prevents the plane's nose from pitching up and down uncontrollably. It includes the elevators, which are hinged sections that the pilot uses to make the plane climb or descend. Vertical Stabiliser (Fin): The large vertical part of the tail. It stops the nose from swinging left and right (a movement called yaw). It includes the rudder, a hinged section the pilot uses to steer the plane left and right on the ground and in the air. Landing Gear: The wheels, struts, and brakes. Function: Used for takeoff, landing, and moving on the ground (taxiing). On most large aircraft, it retracts (folds away) into the fuselage or wings during flight to reduce air resistance (drag). Cockpit (Flight Deck): Located at the very front of the fuselage. Function: This is the "brain" of the aircraft, where the pilots control the plane using various instruments, controls, and computers. B. Rotorcraft (Helicopter)

Helicopters are unique because they can take off and land vertically and hover in one spot. This is thanks to their rotating wings (rotors).

Evaluation guide

• Make freehand sketches of current and future aerospace vehicles, labeling their major
• parts .
• Experiential Learning/Collaborative Learning: In small mixed ability task groups, assign each
• group to specific aerospace vehicles for them to make freehand sketches. Learners should pay attention