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Matter and machines
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What type of energy is this?
Light energy
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If I freeze water, what type of change is?
Physical change
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Which is the difference between a homogeneous mixture and a heterogeneous mixture?
In the first one you can't see the components and the second one you can see them
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What change is it..?
Chemical change
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Is tidal energy a renewable resoruce?
Yes
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If I want to watch the TV I need .... energy
Electrical
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What are bending, stretching and compressing?
Forces
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Which are the fossil fuels?
Coal, gas and oil
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What are the properties of the energy?
We can transfer it, transform it, store it ans transport it
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What is the energy associated to motion and position?
Mechanical
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What is this method?
Filtration
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What resources don't run out?
Renewable resources
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How can we measure the volumen?
In litres
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What is the mass?
It is the amount of matter in an object
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Has energy mass and space?
No
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What is a pure substance?
It is formed by one substance
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How can we separate the oil with the water?
Decantation
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