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ATI TEAs Practice Test 2 Science
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ATI TEAs Practice Test 2 Science ATI TEAs Practice Test 2 Science ATI TEAs Practice Test 2 Science
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ATI TEAs Practice Test 2 Science*A scientist is trying to determine how much poision will kill a rat fastest. Which of the following
statements is an example of an appropriate hypothesis?*
A. Rats that are given lots of poison seem to die quickly
B. Does the amount of poison affect how quickly the rat dies?
C. The more poison a rat is given, the quicker it will die.
D. Poison is fatal to rats. - verified answer C
* Which locations in digestive system are sites of chemical digestion?*
* I. Mouth*
*II. Stomach*
*III. Small intestine*
A. II only
B.III only
C. II and III only
D. I, II, & III - verified answer D
* Which of the following is a representation of a natural pattern or occurence that's difficult or
impossible to experience directly?*
A. A theory
B. A model
,C. A law
D. An observation - verified answer B
* Which of the following is a standard or series of standards to which the results from an
experiment?*
A. A control
B. A variable
C. A constant
D. Collected data - verified answer A
* "This flower is dead; someone must have forgotten to water it." This statement is an example of
which of the following?*
A. A classification
B. An observation
C. An inference
D. A collection - verified answer C
*Which of the following correctly displays 8,600,000,000,000 in scienfic notation (to two significant
figures)?*
A. 8.6 X 10 ^12
, B. 8.6 X 10 ^-12
C. 8.6 X 10 ^11
D. 8.6 X 10 ^12 - verified answer A
* The acceleration of a falling object due to gravity has been proven to be 9.8 m/s^2. A scientist
drops cactus four time and measures the accerlation with an acclerometer and gets the following
results: 9.79 m/s^2, 9.81 m/s^2, & 9.78 m/s^2. Which of the following accurately describes the
measurements?*
A. They're both accurate and precise
B. They're accurate but not precise
C. They're precise but not accurate
D. They're neither accurate nor precise - verified answer B
* What is the morlarity of a solution made by dissolving 4.0 grams of NaCl into enough water to
make 120 mL of solution? The atomic mass of Na is 23.0 g/mol and Cl is 35.5 g/mol.*
A. 0.34 M
B. 0.57 M
C. 0.034 M
D. 0.057 M - verified answer B
* Considering a gas in a closed system, at a constant volume, what will happen to the temperature if
the pressure is increase?*
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