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Physical Science
Test Description: Review of first semester physical science
Instructions: Answer all questions to get your test result.
1) Discovering new data to satisfy our curiosity about the universe.
A
Pure science
B
experiment
C
scientific method
D
applied science
2) Factor that is adjusted by experimenter
A
control
B
independent variable
C
hypothesis
D
dependent variable
3) Organized set of investigation procedures used by scientists
A
applied science
B
experiment
C
scientific method
D
hypothesis
4) Occurs when an object changes position relative to a reference point
A
motion
B
negative acceleration
C
speed
D
distance
5) Occurs when something is speeding up
A
positive acceleration
B
negative acceleration
C
force
D
constant speed
6) The force that opposes the sliding motion of two touching surfaces.
A
gravity
B
friction
C
projectile
D
force
7) force acting towad the center of a curved or circular path
A
horizontal motion
B
elastic potential
C
gravity
D
centripetal force
8) the ratio of the output force to the input force
A
potential energy
B
mechanical advantage
C
force
D
gravitational potential
9) Energy stored by something that can stretch or compress
A
mechanical energy
B
kinetic energy
C
chemical potential
D
elastic potential
10) Negatively charged particles
A
electrons
B
protons
C
conductors
D
insulators
11) A closed path that electric current follows
A
electric circuit
B
conductor
C
insulator
D
electric current
12) Current that contains two or more loops for current to flow through
A
parallel circuit
B
electromagnet
C
series circuit
D
magnetic field
13) A repeating movement or disturbance that transfers energy through matter or space
A
wave
B
trough
C
compression
D
rarefaction
14) The measure of energy in a wave
A
wavelength
B
medium
C
frequency
D
rarefaction
15) The first step in the scientific method is
A
ask a question
B
form a hypothesis
C
research
D
gather and analyze data
16) On a graph, which variable is always on the x axis?
A
control
B
dependent variable
C
none of the above
D
independent variable
17) The principle that electric charge can not be created nor destroyed
A
law of thermodynamics
B
law of conservation of charges
C
Law of motion
D
law of electricity
18) The wire coil of an electromagnet
A
megnetic field
B
series circuit
C
parallel circuit
D
solenoid
19) Energy that is stored
A
gravitational potential
B
mechanical energy
C
kinetic energy
D
potential energy
20) First scientist to formulate laws to describe how objects move
A
Newton
B
Watt
C
Darwin
D
Ohm
*select an answer for all questions
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