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KMT and PMM
Viscosity
Density General
Density Calculations
Buoyancy
100
The state change from a liquid to a solid.
What is solidification?
100
As temperature decreases, viscosity _____________
Increases
100
Density can be calculated by:
Mass / Volume
100
How many ml do you have of pure water if you have 17g?
17 ml
100
This occurs when the gravitational force and buoyant force are equal.
What is neutral buoyancy?
200
The change of state from a gas to a solid
What is deposition?
200
Which is more viscous, maple syrup or apple juice?
Maple Syrup
200
As the temperature of most substances decreases, density
increases
200
You have a mass of 50kg and displace 47.5L of water. What is your density and will you float on pure water?
1.05g/ml, no you will sink
200
When an object floats on the surface of a fluid, it has _________ buoyancy.
What is positive?
300
This term means motion
What is kinetic?
300
How do you make a fluid more viscous?
Reduce it's temperature
300
For a substance to float in a liquid that is 1.2g/ml, it must have a density that is _________________
What is less than 1.2 g/ml
300
An object has a mass of 120 g and a volume of 100ml. What is its density?
1.2g/ml
300
How does a boat's buoyancy in salt water compare at the Equator versus the Arctic Circle?
Less buoyant at Equator OR more buoyant at Arctic Circle
400
Attractive forces are high and the kinetic energy is low in this state of matter
What is a solid?
400
A liquid that is very thick can be described as being ___________
highly/very viscous
400
Oil has a density of 0.92 g/ml, gasoline has a density of 0.69g/ml, which substance will be on the bottom when both are placed in a container?
Oil
400
An object has a mass of 3.6kg and a density of 1.2 kg/L. What is it's volume?
3 L
400
This force is greater when an object sinks in water.
What is gravitational force?
500
A substance that flows, either a liquid or a gas.
What is a fluid?
500
Fluids that have high viscosity have high __________ between particles
cohesion or attractive forces
500
As temperature increases, density _____________
decreases
500
An object has a density of 12.5 g/ml and has a volume of 200 ml. What is its mass?
2500g or 2.5kg
500
How can you describe an object that "FLINKS"?
What is neutrally buoyant?