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LT 1 Reviewer . June 27, 2013. Reminders. The long test is scheduled on June 28, 2013. Do not forget to bring the following: Pen, calculator, ruler or any straight edge. . Topics. Nature of Science (Intro to Physics, Apperitifs , Branches of Physics) MacGyver Measurement Reading
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LT 1 Reviewer June 27, 2013
Reminders • The long test is scheduled on June 28, 2013. • Do not forget to bring the following: • Pen, calculator, ruler or any straight edge.
Topics • Nature of Science (Intro to Physics, Apperitifs, Branches of Physics) • MacGyver • Measurement Reading • Conversion of Units • Relationship of Quantities
Reminders In order to fully harness the benefit of this reviewer, you have to work on it. So grab a pen, paper and a calculator.
Matching Type The great original barricade… Time lock barricade… The garage door opener… …12 deadbolt locks… Balance scale with tap water and French Chablis… • Hillary • Aaron • Geoffrey • David • Prof. Ryman How were these barricades solved?
Nature of Physics Cite four keywords that would define Physics.
Branch of Physics • Mechanics • Optics and Acoustics • Thermodynamics • Electromagnetism
Number 1 • Professor Ryman suggested to use nitrogen gas to freeze the mercury switch of the bomb.
Number 2 Hillary Chapman used a triple beam balance to hold two vessels of ordinary tap water and fine French Chablis.
Number 3 Hillary Chapman used a frequency scanner to locate the radio frequency which the remote control of the garage door opener operates on.
Number 4 David Ryman used a periscope to create the illusion of his barricade.
Number 5 What is the precision of the instrument?
Number 6 A 5-centivo coin has an external diameter of 15.550 mm. Which of the following describes the “0”? • certain and significant • doubtful and significant • certain but not significant • doubtful but not significant
Number 7 Which of the following set of units for length consists of all SI? • foot, yard, mile • decimeter, meter, kilometer • inch, millimeter, meter • meter, yard, kilometer
Number 8 In a controlled experiment, a scientist is studying how long it takes parachutes of different sizes to fall to the ground. What is the independent variable? • size of the parachute • the time it takes for the parachute to drop • the height from which the parachute was dropped • Both A and C
Number 8 a. What is the precision of this instrument? b. What is the reading?
Number 15 (Essay) ShridharChillal
Choices Hypothesis Inference Law Theory
Number 17 The act or process of deriving logical conclusions from premises known or assumed to be true.
Number 18 It is a proposition that attempts to explain a set of facts in a unified way. It generally forms the basis of experiments designed to establish its plausibility.
Number 19 It is a statement based on repeated experimental observations that describes some aspect of the world. It explains the relationship of quantities.
Number 20 It is a well-substantiated explanation of some aspect of the natural world, based on a body of knowledge that has been repeatedly confirmed repeatedly confirmed through observation and experiment.
Convert. 15 g/mL = _____ kg/L