Forces
Learners first develop an understanding of how forces can change the shape or motion of an object, considering both forces in contact with objects and those which act over a distance. They investigate the effects of friction on motion and explore ways of improving efficiency in moving objects and systems. Study of speed and acceleration of an object leads to an understanding of the relationship between its motion and the forces acting on it. This is linked to transport safety. Learners develop their understanding of the concept of buoyancy force and density.
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Through everyday experiences and play with a variety of toys and other objects, I can recognise simple types of forces and describe their effects.
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By investigating forces on toys and other objects, I can predict the effect on the shape or motion of objects.
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By investigating how friction, including air resistance, affects motion, I can suggest ways to improve efficiency in moving objects.
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By contributing to investigations of energy loss due to friction, I can suggest ways of improving the efficiency of moving systems.
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I can use appropriate methods to measure, calculate and display graphically the speed of an object, and show how these methods can be used in a selected application.
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By making accurate measurements of speed and acceleration, I can relate the motion of an object to the forces acting on it and apply this knowledge to transport safety.
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By exploring the forces exerted by magnets on other magnets and magnetic materials, I can contribute to the design of a game.
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I have collaborated in investigations to compare magnetic, electrostatic and gravitational forces and have explored their practical applications.
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I have collaborated in investigations into the effects of gravity on objects and I can predict what might happen to their weight in different situations on Earth and in space.
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I can help to design and carry out investigations into the strength of magnets and electromagnets. From investigations, I can compare the properties, uses and commercial applications of electromagnets and supermagnets.
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By investigating floating and sinking of objects in water, I can apply my understanding of buoyancy to solve a practical challenge.
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Through experimentation, I can explain floating and sinking in terms of the relative densities of different materials.
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