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Vocab
Vocab
Equations
Discussion Questions
Problems
100
What is Mass?
How much matter is in an object.
100
What is pressure?
force per unit area applied in a direction perpendicular to the surface of an object
100
What is the equations for density?
Mass divided by volume
100
What happens to atmospheric pressure change as you go up in an airplane?
Air decreases as elevation increases.
100
Frank has a paper clip. it has a mass of 9g and a volume of 3cm^2. What is its density?
Density= 3g/ cm^3
200
What is volume?
The amount of space an object takes up
200
What is gravity?
An attractive force between all objects that have mass.
200
What is the equation for mass?
Density times volume
200
What happens to water pressure as you go deeper in the pool?
Water pressure increases as you go deeper in the pool
200
Frank also has an eraser. It has a mass of 3g, and a volume of 1cm^3. What is its density?
density= 3g/ cm^3
300
What is density?
the amount of mass per unit of volume
300
What is fluid?
A material that can flow and has no definite shape
300
What is the equation for volume?
Mass divided by density
300
How does a metal boat float, if metal is more dense than water?
The metal is spread over a larger surface are
300
If that mass of the object is 35g and it takes up 7cm^3 of space, calculate the density?
5g/cm^3
400
What is buoyancy?
The upward force exerted on an object by the surrounding objects
400
What is Atmospheric pressure?
force exerted per unit area by air.
400
What is the equation for pressure?
Force divided by area
400
What happens to when a balloon if filled with helium?
It floated because helium is less dense than the surrounding air
400
The mass of Rashaad's basketball is 500g and the volume is 510 cm^3. What is the density? can Rashaad's basketball float? * you can use a calculator
0.9803921g/cm^3 Yes, it will float because it is less than 1.
500
What is a hydrometer?
An instrument that measures the density of a liquid
500
What is Archimedes principle?
Buoyant forces acting on a submerged objects is equal to the weight of the objects displaces
500
What is area, pressure, and force measured in?
Pressure: Pascals Force: Newtons Area: Meters ^2
500
What makes up a fluid?
Liquids or gases
500
The density of Tiffany's silver bracelet is 10.5g/cm^3. The volume is 200cm^3. What is the mass? *you can use calulator
M=19.047619g/cm^3