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| Energy is the strength requierd for sustained physical or menta activity. There are many diffract types of energys like heat, light, kinetic, electrical, chemical, nuclear and gravitational. The two main types of energy are kinetic and potential energy. You can gain energy from the food you eat , a person stores the energy until they can use it during work or play. |
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| Describe a sentence about work? |
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| work done and energy transferred are measured in joules. |
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| Sate the law of conservation of energy? |
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| in physics the law of conservation of energy states the total energy of an isolated system. |
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ohm/parallel
series/parallel
circuit/series |
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w=fxd
g=weight/mass
weight=10xmass |
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| an electron is a subatomic particle. An electron carries a single unit of negative electricity. |
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| protons are located in the nucleus of atoms, together with any neutrons also present in the atom. |
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| neutrons have zero charge. Neutrons have a relative mass of 1, which is the same as the relative mass of protons |
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| the new lugs was the first of the cell organelles to be discovered by scientists. It usually takes up about 10% of the cells volume. |
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| current-this is the rate of flow of electrical charge. charge is a quantity held by electrons, protons and ions. the greater the amount of charge flowing past a point in one second the reader the current. it can be compared to a river current. the current depends on the speed of the river AND the width/depth. |
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