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Final for science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
        Help!  

Question
Answer
Black Box   Anything in science that can't be seen  
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Model   reperentation or explanation of something that shows how something works or looks  
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Siphon   tube that moves liquid using gravity.(One out take has to be below intake)  
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Conceptual Model   math,words,or drawings to explain moadelshow somethings works or is built  
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Physical Model   real model that can be tested  
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Collaborate   work togeather  
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Consensus   everyone agrees  
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Circuit   unbroken pathway that electricity flows through  
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Switch   device that opens and closes a circuit  
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Axle   rod connecting wheels  
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Bearing   device that allows axle to turn  
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Wheel   a disc that turns around a central axis  
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Design   1.product- plan for making something 2.proccess of how to make somthing  
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Engineer   person who designs something  
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Friction   force that resits motion  
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Traction   friction between surface and wheel  
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Pheoc   Problem-state problem Hypothesis-educated guess Experiment-test hypothesis Observation-analize data Conclusion=answer Hypothesis or start over  
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Difference between model + design   model-represents life like things/Design-something from scratch  
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