Review of science on investigations 1 and 2
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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| Pendulum | a mass hung from a fixed point that swings back and forth
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| Cycle | any motion or activity that repeats itself
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| Variable | anything in an experiment that might affect or change the outcome
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| Standard | basic procedure used in a controlled experiment before you change any variables
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| Controlled-Experiment | an experiment in which one variable is changed and compared to standard
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| Two-Coordinate Graph | shows the outcome of a series of experiments when a variable is changed by steps
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| Galileo | Italian scientist who used a pendulum to measure time
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| Capacity | greatest amount in a fluid container
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| Density | amount of matter that will fit in given space
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| Archimedes | mathematician and scientist who used displaced water to tell about an object
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| Identify the variables that can affect or don't affect the number of swings in a pendulum can complete in a given time period | affect: length of string
do not affect: mass of bob, height of drop
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| Describe the relationship between the length of a pendulum and the number of cycles it makes | the length of a pendulum will affect the number of cycles. longer=less
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| Identify variables that will affect the number of passengers lifeboats can hold | the capacity, the water calmness, penny drop
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| Describe the relationship between the capacity of a boat and the number of passengers it can hold | the more capacity the lifeboat has, the more passengers it can hold
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| Explain why a substance will float or sink | if the substance has less density than the water (1) it will float, if it has more, it will sink
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| How dense is water | 1.0 g
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| How dense is salt water | 1.2 g
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
AZaborek58
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