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How does roller garage door work?
Roller garage door consist of a cover window and a sheet door coverings. Mechanism (Motor) rolling has a preloaded spring inside, the spring reduce the speed of the door to raise and lower.
ST3-2DP-T: plans and uses materials, tools and equipment to develop solutions for a need or opportunity.
ST3-1WS-S: plans and conducts scientific investigations to answer testable questions, and collects and
summarises data to communicate conclusions.
ST3-8PW-ST: explains how energy is transformed from one form to another.
ST3-9PW-ST: investigates the effects of increasing or decreasing the strength of a specific contact or noncontact force.
Within science and technolog students develop an awareness of sustainable practices taking into consideration of environmental, social, cultural and economic systems and their interdependence.
Firstly, the students are taught the safety procedure such as:
Define electricity as a form of energy produced by the presence of elementary particles carrying different electric charges; Such as electrons and protons, where electricity arises as a result of the accumulation of charges, or through the movement of electrons and their flow in a conducting body, which is usually known as the current, and it is usually known that electrons are particles with a negative charge, while protons are particles with positive charge.
Parallel VS Series
Board of Studies, NSW. (2017). Revised Science and Technology Years K-6 Syllabus and Outcomes
https://educationstandards.nsw.edu.au/wps/portal/nesa/k-10/learning-areas/science/science-and-technology-k-6-new-syllabus
Purcell, E. M., & Morin, D. J. (2013). Electricity and magnetism. Cambridge University Press.