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Science - Coggle Diagram
Science
Physics
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Drag (same as air resistance, but can also mean resistance you feel in water)
Tension- Force acting in stretched objects such as strings, ropes or springs
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Magnetic Force- force between two magnets, or between a magnet and an iron or steel object
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Forces can change the speed, direction or shape of an object.
Balanced forces stay still or at a constant speed, direction or shape.
Unbalanced forces do not stay still, and do not stay at the same/a constant speed, direction or shape.
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Weight and Mass
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On Earth, gravitational attraction (g) = 10 Newtons/kilogram.
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Rocks
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Sedimentary – weathering and erosion causes small particles to be worn from rocks. These are washed into streams and rivers, where they are deposited. Over a long period of time layers build up and are pressed together due to the weight of the rock above them.
Metamorphic – formed from other rocks which are pushed under the ground
and experience high pressure and temperatures
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Metal ores- Ores are rocks that have metals in them. Metal can be extracted from ores in different ways.
Biology
Connectors
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Cartilage- are in between bone joints to prevent bones rubbing against each other and wearing each other down.
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Blood Vessels-
Artery-
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carries oxygenated blood away from the heart, to all the cells.
Vein-
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carries deoxygenated blood from the cells to the heart so that it can be re-oxygenated in the lungs.
Capillary
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can carry both oxygenated and deoxygenated blood, because they connect veins and arteries. Their walls are so thin so they can absorb nutrients and bring it to cells, as well as absorbing waste products.
Antagonistic Muscles-
Antagonistic muscles are a pair of muscles that relax and contract opposite each other to you bend and straighten your limbs at joints.
An example of this is the bicep and the tricep. The bicep is in the part of your arm that is closer to your hand, and the tricep is closer to your shoulder. When your bend your arm, the bicep contracts and the tricep relaxes. When you straighten your arm, the bicep relaxes and the tricep contracts.
