investigation 1 and 2 vocab and notes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is the definition of pendulum | a mass hung from a fixed point, free to swing back and forth when put in motion
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| what is the definition of cycle | any motion or activity that repeats its self
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| what is the definition of varible | a factor or condition that can change and might effect the out come of an experiment
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| what is the definition of standard | the basic procedure used in a controlled experiment, before changing any of the varibles
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| what is the definition of controlled experiment | an experiment in which one and only one, varible is changed ib order to asses or judge its effect
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| Answer this key question: which varibles made no effect in the number of swings of a pendulum | 1. Weight of bob 2.Height of drop
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| Answer this key question: what varible did make an effect | the length of the string
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| Answer this key question:is there a relationship between the length of a pendulum and the number of swings it makes in a unit of time | yes, it does
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| what is the definitintion of capacity | the maximum volume of fluid a container can hold
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| why does a heavy log float in water | because wood is less dense
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| how can you tell which items will float | less density= will float greater density= will sink same density= newtral
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| What is the definition of a two coordinate grid | Shows the out come of a series of experiments and compared to standard
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| Who was Galileo | An Italian astronomer who thought the pendulum to keep time
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| What is the definition of density | The amount of matter that will fit in a given space
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| Who was Archimedes | The person who showed water displacement could tell more about an object
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| Identify variables that affect the number of passengers lifeboats can hold | 1.penny placement 2.shaking water 3.wet pennies 4.wet boat
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| Describe the relationship between the capacity of a boat and the number of passengers it can hold | A bigger ship= more passengers it can hold
A smaller ship= lesser passengers it can hold
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