2.  In scientific notation, how is the exponent affected when the decimal is moved to the right?  When the exponent is moved to the right, the exponent decreases.

3.  Why should you never heat something in a closed container?  Expanding gas may explode

4.  Why must 10 0 = 1?  A rule holds with all numbers that when you divide the same base that is raised to a power, you subtract the exponents. Since we already know that when you divide a number by itself the answer is one, 10 0 must equal one

5.  10 1  deka, da

6.  How do you write 0.007 in scientific notation and fractional form? .007  7x 10 -3  7/1000

7.  10 -12  pico p

8.  A factor (number or concept) that does not change when other variables change  Constant

9.  What is the difference between a base unit and a derived unit?  A base unit is a single unit where a derived unit is a combination of base units.

10.  A representation of an idea, event, or object to help people understand it.  Model

11.  A type of experiment done to eliminate bias. Neither the subjects nor the researchers know who or what is the experimental or control group.  Double blind experiment

12.  Information that cannot be assigned a numerical value  Qualitative data

13.  How do you test a hypothesis?  Perform an experiment

14.  Reading into a graph from beyond the given data. Making a guess or an estimate  Extrapolate

15.  Name the instrument and state its purpose  Test Tube: Used to mix, measure, or heat liquids

16.  10 3  Kilo k

17.  10 12  Tera T

18.  Why was scientific notation developed?  To write very small numbers and very large numbers with ease  To simplify scientific calculations

19.  What is this and what is its purpose?  Triple Beam Balance; Measures mass in grams

20.  Why should no experiment be considered a failure?  An experiment with unexpected results provides a chance to learn something new. Excluding possibilities is as important as the discovery.

21.  Why have we not yet fully adopted the metric system?  We were already significantly more advanced in industry when the rest of the world adopted the metric system. Because of the cost involved in switching over, we developed a 50 year plan. It has been 60 years

22.  SI unit for luminous intensity?  Candela

23.  A ratio equal to one that expresses the same quantity in 2 different ways.  Conversion factor

24.  Mass of 0.001 cubic meters of water.  Kilogram

25.  The mass of one specific platinum-iridium alloy cylinder.  Kilogram

26.  What is the equation for percent error?  |Value A –Value E | / Value A X 100

27.  What are the 7 base quantities and units in the SI system? LengthMeter MassKg TimeSecond TemperatureKelvin Electric CurrentAmpere Amount of a SubstanceMole Luminous Intensitycandela

28.  The continuing search for scientific knowledge. Studying natural phenomena simply for the purpose of increasing our knowledge.  Pure science

29.  Deci  10 -1

30.  Tera  10 12

31.  Exa  10 18

32.  The identification of the components and composition of materials  Analytical chemistry

33.  An inaccuracy in reading a measurement based upon angular difference  Parallax

34.  A hydrogen atom has a diameter of 10nm. Express this in mm  1x10 -5 mm

35.  9,192,631,770 times the period of a radio wave emitted from a cesium-133 atom  A second

36.  Peta  10 15

37.  When is it ok to use broken or chipped glassware?  NEVER

38.  10 6  Mega M

39.  What are the basic steps in the scientific method?  Observe, question, hypothesis, experiment, collect data, draw conclusions

40.  10 -6  Micro

41.  Why is this incorrect? 1 cm=_____m (1cm)(1m/10 -2 cm)  Although centi does mean 10 -2, 1m is not equal to that.

42.  When is it necessary to wear safety goggles and an apron?  When using heat, chemicals, or glassware

43. NameSymbol# Picop10 -12 Nanon10 -9 Microµ10 -6 Millim10 -3 Centic10 -2 Decid10 -1 TeraT10 12 GigaG10 9 MegaM10 6 Kilok10 3 Hectoh10 2 dekada10 1

44.  The group designed with a variable to test the hypothesis  Experimental group

45.  Mass/Volume; kg/m 3  Density

46.  Springs, Pendulums, Sound  Vibrations and Wave Phenomena

47.  This type of graph is used to compare or contrast data  Bar graphs

48.  Using specific observations and measurements to enable a scientist to arrive at a generalized explanation of a scientific problem which can be expressed as a hypothesis or theory  Inductive Reasoning

49.  A mathematical or numerical statement that describes a phenomena or event  Quantitative Description

50.  Falling Objects, friction, weight, spinning objects  Mechanics

51.  The atom and its parts  Quantum Mechanics

52.  Applying logic and reason to observations and conclusions  Critical thinking

53.  A property that depends on the amount of matter present  Extensive property

54.  Giga  10 9

55.  A property that doesn’t depend on the amount of matter present  Intensive property

56.  Two branches of Earth Science are…  Geology and meteorology

57.  Graphs best used to show a trend. Graphs that show how one variable changes with respect to another  Line graph

58.  A graph used to show the parts of a whole  Circle graph or pie chart

59.  What are three standards that a theory must meet?  Must explain observations, must be able to repeat experiments, and must be able to predict from the theory

60.  Two branches of physical science are…  Physics and chemistry

61.  A system of knowledge based on facts or principle  science

62.  What are the two main branches of science?  Social science and natural science

63.  What is the SI unit for length?  meter

64.  What is the SI unit for time?  seconds

65.  The total distance covered divided by the total time  Average speed

66.  What is the difference between speed and velocity?  Velocity is a vector while speed is merely a magnitude. Vector quantities have both magnitudes and direction while scalar quantities such as speed have only a magnitude.

67.  What does the area beneath a v-t graph represent  Distance

68.  What is the difference between distance and displacement?  Distance is the sum of the total lengths traveled while displacement is the straight line distance between the start and end points

69.  What is the SI unit for velocity?  m/s

70.  What is the SI unit for time?  second

71.  A complete explanation of how or why something happens based on research and testing  theory

72.  Name this instrument and its purpose  Erlenmyer flask; used to mix liquids

73.  A standard by which results are compared  control

74.  A statement that seems to always be true  Law

75.  What would be the SI unit for electric charge?  The coulomb

76.  10 -9  nano

77.  Any type of information that can be expressed as a number  Quantitative data

78.  An explanation of an event based on knowledge gained from observations  theory

79.  What should be done prior to starting an experiment?  READ DIRECTIONS

80.  A value that changes because of the other variables in the experiment  Dependent variable

81.  In scientific notation how is the exponent affected when the decimal is moved to the left  The exponent increases

82.  A quantity that can have more than a single value  variable

83.  The variable that is changed to see how it affects the dependent variable  Independent variable

84.  What is the SI unit for the amount of a substance?  mole

85.  A statement that gives the best possible response to the question and should be based on already known facts. May not yet be tested. An educated guess  hypothesis

86.  10 -3  milli

87.  How do you write 0.1 in scientific notation and fractional form?  1x10 -1 1/10

88.  10 9  Giga

89.  The group in an experiment that is maintained at a constant state for the course of the experiment  Control group

90.  Does the speedometer of a car read instantaneous speed or average speed?  Instantaneous speed

91.  The rate at which velocity changes  acceleration

92.  What is the SI unit for acceleration?  m/s/s

93.  What does the slope of a v-t graph represent?  acceleration

94.  What does the area beneath an a-t graph represent?  velocity

95.  Speed at any instant  Instantaneous speed

96.  A type of velocity that does not vary  Constant velocity

97.  What is the unit for distance?  Meter

98.  What does the slope of a d-t graph represent?  velocity

99.  Why are the constant speed and constant velocity not the same?  Velocity is dependent on the direction