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Fliuds
Test Description: McGtaw Hill. Chapter 14
Instructions: Answer all questions to get your test result.
1) Which of the following is an application of Bernoulli's Principle?
A
hydraulic engines
B
inflated balloons
C
flying birds
D
floating ships
2) How does the fluid in a thermometer move as temperature increases?
A
from potential to light
B
from kinetic to potential
C
from potential to kinetic
D
from light to kinetic
3) Archimedes' principle states that _________________________.
A
pressure applied to a fluid is transmitted unchanged throughout the fluid
B
the buoyant force on an object is greater than the weight of the fluid it displaces
C
when the speed of a fluid increases, the pressure exerted by the fluid decreases
D
the buoyant force on an object is equal to the weight of the fluid it displaces
4) Archimedes' principle states that the buoyant force on an _______________ is equal to the weight of the displaced volume of liquid
A
fluid mixing with another liquid
B
object in the fluid
C
substance dissolving into the fluid
D
object floating on the fluid
5) If you add thermal energy to matter, what happens?
A
The particles stop moving
B
The particles move more slowly
C
The particles disappear
D
The particles move faster
6) When driving a car, the chemical energy in gasoline is converted to heat (thermal energy) in the engine. Most of this thermal energy is then converted to mechanical energy, which makes the car move. What happens to the rest of the thermal energy?
A
It changes back to chemical energy.
B
It is converted for the rest of the trip.
C
It is destroyed by the engine
D
It is given off by the hot engine.
7) Matter can alter its form through a chemical change or through a physical change. No matter what type of change it is, every time matter alters its form-
A
the matter releases heat
B
the amount of matter is the same
C
some of the matter is destroyed
D
new matter will be created
8) Water is changing from the liquid phase to the gas phase as it boils in a beaker. Which of the following statements explains why this cannot be used to prove that matter is conserved during a change of phase?
A
The change of phase is incomplete.
B
The change of phase is taking place in an open system.
C
Water in the gas phase is lighter than liquid water.
D
Water is changing both phase and temperature.
9) If a substance in the gas phase loses heat energy, it changes into a liquid. This change in phase is called -
A
condensation
B
evaporation
C
vaporization
D
sublimation
10) Regarding thermal energy, the faster the tiny particles of matter move, the colder the the matter becomes
A
False
B
True
*select an answer for all questions
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