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By the end of this lesson, students will be able to:
This lesson aligns with the Australian Curriculum for Year 7 Design and Technologies, focusing on the use of motion, force and energy to manipulate and control electromechanical and mechanical systems (ACTDEK031). It incorporates elements from the Aboriginal Cultural Standards Framework by exploring Indigenous technologies like the woomera for lever principles. It is designed to take approximately 60 minutes, including reading, activities, and a quiz.
Here is a bank of 20 words related to Engineering Principles. Click on each word to sound out the syllables in each word.
Force is a push or pull that can change the motion of an object. In engineering, forces are essential in designing systems like bridges or machines. For example, in Aboriginal spear throwers (woomera), the force applied increases the speed of the spear, demonstrating lever principles for efficiency. Understanding force helps engineers create safe, sustainable designs that respect cultural knowledge and environmental factors.
1. Force is a push or _____.
2. In engineering, forces are essential in designing _____.
3. The woomera demonstrates lever principles for _____.
Motion refers to the movement of objects, influenced by forces like friction and gravity. In mechanical systems, motion is controlled using gears, pulleys, and levers to achieve desired outcomes. Aboriginal boomerangs utilize principles of aerodynamics and motion to return to the thrower, showcasing innovative use of velocity and torque. Engineers must consider motion to ensure systems are efficient and sustainable, integrating cultural insights for better design.
1. Motion is influenced by forces like friction and _____.
2. Boomerangs utilize principles of aerodynamics and _____.
3. Engineers consider motion to ensure systems are _____.
Energy is the ability to do work, and in engineering, it is transferred and transformed within systems like electromechanical devices. Simple machines use energy to manipulate motion and force, increasing efficiency. Indigenous fire-making tools demonstrate energy transfer through friction to create heat, aligning with sustainable practices. Engineers focus on energy to design systems that are environmentally friendly and culturally sensitive.
1. Energy is transferred and transformed within _____.
2. Indigenous fire-making tools use friction to create _____.
3. Engineers focus on energy for environmentally _____ designs.
1. What is force?
2. Which tool uses lever principles?
3. What does motion refer to?
4. Energy is the ability to do what?
5. Friction is a type of what?
6. What does a pulley help reduce?
7. Acceleration is change in?
8. Electromechanical systems combine what?
9. Sustainability in engineering means?
10. Innovation involves introducing what?