Vocab 1
Vocab 2
Questions 1
Questions 2
100
a force exerted per unit area by air particles
What is atmospheric pressure
100
a material that can flow and has no definite shape
What is a fluid
100
a property of a material that can be measured without changing the identity of the material (water to ice) __________ change
What is physical
100
a balloon filled with helium floats because the air around the balloon is.___________
What is more denser
200
the amount of matter that makes up an object
What is mass
200
the amount of force exerted per unit of area on a surface
What is pressure
200
the combination of all forces acting on an object
What is net force
200
When you go deeper under water, the buoyant force increases/decreases/stays the same
What is stays the same
300
a six-faced block in which all faces are rectangular
What is a rectangular solid
300
the amount of space taken up by an object
What is volume
300
These two factors influence the mass of an object
What is size and material
300
the deeper you go under water, the more/less/same pressure there is.
What is more
400
the scientific law that says the buoyant force on an object is equal to the weight of the fluid the object displaces
What is Archimedes' Principle
400
an instrument that measures the density of a fluid
What is hydrometer
400
an inflatable ball pops back up after it has been pushed in the water because of this upward force
What is buoyant force
400
If you take off in an airplane and get higher and higher, what happens to the atmospheric pressure increase/decreases/stays the same
What is decreases
500
the net upward force exerted on an object by the surrounding fluid
What is buoyant force
500
the amount of mass per unit volume of a material
What is density
500
mass divided by volume is the equation for what
What is density
500
a metal boat is able to float because
What is the volume of the boat is made larger
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