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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
floating ships
B
hydraulic engines
C
flying birds
D
inflated balloons
2) How does the fluid in a thermometer move as temperature increases?
A
from light to kinetic
B
from potential to light
C
from potential to kinetic
D
from kinetic to potential
3) Archimedes' principle states that _________________________.
A
when the speed of a fluid increases, the pressure exerted by the fluid decreases
B
the buoyant force on an object is equal to the weight of the fluid it displaces
C
the buoyant force on an object is greater than the weight of the fluid it displaces
D
pressure applied to a fluid is transmitted unchanged throughout the fluid
4) Archimedes' principle states that the buoyant force on an _______________ is equal to the weight of the displaced volume of liquid
A
substance dissolving into the fluid
B
object in the fluid
C
object floating on the fluid
D
fluid mixing with another liquid
5) If you add thermal energy to matter, what happens?
A
The particles move faster
B
The particles stop moving
C
The particles move more slowly
D
The particles disappear
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 is destroyed by the engine
B
It changes back to chemical energy.
C
It is given off by the hot engine.
D
It is converted for the rest of the trip.
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
some of the matter is destroyed
B
the amount of matter is the same
C
the matter releases heat
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 taking place in an open system.
B
The change of phase is incomplete.
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
vaporization
B
evaporation
C
condensation
D
sublimation
10) Regarding thermal energy, the faster the tiny particles of matter move, the colder the the matter becomes
A
True
B
False
*select an answer for all questions
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