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Science 6
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Energy that is stored in the bonds between atoms. (Example: food and battery)
Chemical energy
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Two factors effecting the magnitude of the force of gravity between 2 objects are...
Mass and distance
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Oil between machine parts would be an example of which type of friction?
Fluid friction
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It is the ability to do work by movement of electric charge (electricity).
Electrical energy
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What does friction produced? (Form of energy)
Heat
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What machine or thing changes electrical energy into light and sound energy?
...
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The measure of how much matter is in an object.
Mass
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Swimming fishes experience -
Fluid friction
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Methods how to reduce friction
Make the surface smooth and rolling friction
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Another name for thermal energy
Heat energy
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What is the force acting between any two objects in the known universe all the time?
Gravitational force
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What form of energy?
Mechanical energy
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What the of friction occur in this picture?
Rolling Friction
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It is the type of energy an object has because of its motion.
Kinetic energy
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What is the SI unit used to measure weight? (Remember the definition of weight!)
Newton
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Give two examples that shows KINETIC ENERGY.
...
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The law of universal gravitation is credited to whom?
Newton
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Two ways how friction increases
Rougher surfaces and weight increase
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Sally experiences -
Sliding friction
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A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate.
Air resistance
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It is the type of energy released when the nucleus of an atom is split apart or combined with another nucleus.
Nuclear energy
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Which type of friction occurs when an object moves through a liquid or gas?
Fluid friction
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It is a force that acts in an opposite direction of movement.
Friction
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When most objects with smooth surfaces rub, there is less friction.
True
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