Physical Science Question Preview (ID: 40627)
Review Of First Semester Physical Science.
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Discovering new data to satisfy our curiosity about the universe.
a) Pure science
b) applied science
c) experiment
d) scientific method
Factor that is adjusted by experimenter
a) independent variable
b) dependent variable
c) hypothesis
d) control
Organized set of investigation procedures used by scientists
a) experiment
b) scientific method
c) applied science
d) hypothesis
Occurs when an object changes position relative to a reference point
a) distance
b) speed
c) motion
d) negative acceleration
Occurs when something is speeding up
a) constant speed
b) negative acceleration
c) positive acceleration
d) force
The force that opposes the sliding motion of two touching surfaces.
a) force
b) gravity
c) projectile
d) friction
force acting towad the center of a curved or circular path
a) gravity
b) elastic potential
c) centripetal force
d) horizontal motion
the ratio of the output force to the input force
a) potential energy
b) mechanical advantage
c) gravitational potential
d) force
Energy stored by something that can stretch or compress
a) elastic potential
b) chemical potential
c) mechanical energy
d) kinetic energy
Negatively charged particles
a) protons
b) electrons
c) conductors
d) insulators
A closed path that electric current follows
a) electric circuit
b) insulator
c) conductor
d) electric current
Current that contains two or more loops for current to flow through
a) magnetic field
b) series circuit
c) parallel circuit
d) electromagnet
A repeating movement or disturbance that transfers energy through matter or space
a) trough
b) rarefaction
c) compression
d) wave
The measure of energy in a wave
a) wavelength
b) rarefaction
c) medium
d) frequency
The first step in the scientific method is
a) research
b) ask a question
c) form a hypothesis
d) gather and analyze data
On a graph, which variable is always on the x axis?
a) independent variable
b) dependent variable
c) control
d) none of the above
The principle that electric charge can not be created nor destroyed
a) Law of motion
b) law of thermodynamics
c) law of conservation of charges
d) law of electricity
The wire coil of an electromagnet
a) megnetic field
b) solenoid
c) series circuit
d) parallel circuit
Energy that is stored
a) kinetic energy
b) potential energy
c) mechanical energy
d) gravitational potential
First scientist to formulate laws to describe how objects move
a) Ohm
b) Newton
c) Darwin
d) Watt
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