Bethke Density and Buoyancy Test
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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| When an object is placed in a fluid with less density than the object, what will happen? | it will sink
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| What are the downwards and upwards forces. | Weight - downwards, buoyant force - upwards
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| What is the abbreviation for weight? | Fg
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| How to calculate downward force? | mass(kg) x gravity(9.8m/seconds(squared))
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| What is the unit for downward force? | Newtons (N)
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| What is buoyancy? | An object is buoyant in water due to the amount of water it displaces
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| If the weight of an object is equal to the weight of the water it displaces what happens? | IT FLOATS
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| If Fg=Fb what happens? | THE OBJECT FLOATS
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| How to calculate buoyant force if you know weight in air and water? | Fb=weight in air-weight in water
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| How to calculate buoyant force without knowing weight in air and water? | Density Fluid x Volume Fluid Displaced x Gravity
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| What is the abbreviation for Buoyancy | Fb
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| What is the density of water? | 1g/cm(cubed)
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| Density Formula | D=m/V
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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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