How are wedges created?, When an axle and a wheel are linked in the same machine., When a wheel is used in electrical devices with other simple machines., When a lever and an inclined plane are used at the same time., When two inclined planes come together and create a sharp angle., What are complex machines?, They always require to be plugged in because they use electricity., They are machines like the wheel, the pulley and the lever., They are the ones that use many simple machines to achieve complex tasks., They are huge devices that use fuel or gasoline to move., What elements are involved in a complex machine?, Power and mechanical elements, Battery and energy elements, Mechanical and electric elements, Power and engine systems, Which machine is a lever class 1?, Suitcase, Shovel, Tweezers, Scissors, Why is it necessary to know the advantages and disadvantages of technology?, So that we don’t use technology anymore., So that we only use devices without any disadvantage., So that we know how to properly use technology, So that we only use technology in offices, The energy sources used by technological objects that are plugged in come from:, Electrical engines, Wind turbines, Power plants, Batteries, What is kinetic energy?, The energy that converts to electricity., The energy of movement or motion., The energy created through heat, The electricity that produces light., When can electric energy convert to heat energy?, When a person is eating., When the microwave is heating frozen food., When water turbines are creating energy., When a lamp is lighting a room., Chemical and electric energy convert to sound and light energy when you:, Use the microwave., Watch a video, Drive a car, Exercise, What technological object has the advantage of being useful at home, at school and at an office at the same time?, Fridge, Laptop, Helicopter, Microphone

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