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Physics (Density (density of states of matter (The amount of mass per unit…
Physics
Density
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Irregular object
Fill the eureka can with water and place the object into it. Record how much water leaves the can using a measuring cylinder (volume). Measure the object to find the mass. mass / volume
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Resistance
Smaller the resistance, the thicker the wire
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Light-dependant resistor
The nearer the resistor is to the light, the less resistance
A thermistor
An electrical resistor whose resistance is greatly reduced by heating, used for measurement and control.
The higher the temperature, the higher the resistance
It is used for controlling the temperature of buildings, greenhouses and anywhere where temperature control in important.
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Key words
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Directly proportional
As one variable increases by a certain amount, the other does too
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Hooke's Law
When a force acts on an object, it can cause it to change shape. When a force is applied to an elastic object, the object will stretch and store energy as elastic potential energy. The extension of an object is directly proportional to the force applied.
If there is too much force acting on the object, the spring will not return to its original state