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Reiley Review 2009 #2
Test Description: 2009 released tests continued
Instructions: Answer all questions to get your test result.
1) Which of the following is an example of potential energy?
A
A ball rolling along a sidewalk
B
A battery powering a radio
C
A flag waving in the wind
D
A glass har sitting on a shelf
2) A car manufacturer reduces the mass of a car by 250kg. If the new design is otherwise identical to the old design, how will the new car compare to the old car?
A
It will have a greater gravitational attraaction to the road.
B
It will release more gas emissions.
C
It will require more fuel to operate.
D
It will need less force to move.
3) A student predicts that similar ice cubes will melt faster in a microwave than in a pot on the stove. How should htis hypothesis be tested?
A
Identify and record the temperature of each ice cube before each trial.
B
Observe and record the time for each ice cube to completely change to a liquid.
C
Determine the volume of liquid water made by each ice cube.
D
Measure and compare the volume of the pot and the microwave.
4) Which of these best describes the particle motion taking place as CO2 gas os exposed tp freezing temperatures?
A
The motion of the particles is unchanged.
B
The motion of the particles becomes random.
C
The particles move with more force.
D
The particles decrease in speed.
5) The best scientific reason for a a scientist to accept a specific theory is---
A
that research and observations support the theory
B
to gain recognition as a great scientist
C
because there can only be one correct theory
D
to obtain funding for the research
6) How is the modern model of an atom different from the Bohr atomic model?
A
The arrangements of the electrons are different.
B
The numbers of electrons are different.
C
The masses of the atomic particles are different.
D
The shapes of the nuclei are different.
7) Human sweat is the direct result of which life functions?
A
Reproductiona and cellular transport.
B
Waste removal and temperature control.
C
Respiration and cellular growth.
D
Digestion and disease prevention.
8) Which of the following are products of combustion?
A
Newly discovered elements.
B
Heat and light
C
Additional atoms
D
Liquid and solid water
9) Whidh of these substances is an element?
A
Sugar
B
Steel
C
Chlorine
D
Plastic
10) Clouds are formed when millions of drops of water become suspended in the air. Which of the following is a step in the process of cloud formation?
A
Breakdown of atomospheric ozone.
B
Formation of carbon dioxide.
C
Expansion of cold air.
D
Condensation of water vapor.
*select an answer for all questions
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