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43 Matching questions

  1. zeros that are at the end of a number and also to the right of the decimal are _________
  2. during an experiment if some measurements are taken using one method, and some are taken using another method ______ _______ will result
  3. an explanation that is based on prior scientific research or observations and that can be tested
  4. zeros between other nonzero digits are ________
  5. although each dimension is unique, a dimension can be measured using different ______
  6. poor _______ involves errors that can often be corrected
  7. heat and temperature
  8. a pattern, plan, representation, or description designed to show the structure or working of an object, system, or concept
  9. SI uses ________ to accommodate extremes
  10. base unit of mass
  11. how many SI base units are there?
  12. 7 major areas of physics
  13. physical quantities that can be described as a combination of length, mass, and time (the three basic dimensions)
  14. in an experiment to test a hypothesis, you must change _____ _______ at a time to determine what influences the phenomenon you are observing
  15. specific types of repetitive motions
  16. the description of what kind of physical quantity is represented by a certain measurement is called ________
  17. significant figures are the ones that we know for ______, as well as the first digit that is ________
  18. in scientific notation, the measurement is recorded to a power of 10, and all of the figures given are _________
  19. a numeric measure of confidence in a measurement or result is known as ________
  20. the description of how much of a physical quantity is represented by a certain numerical measurement
  21. base unit of time
  22. a set of particles or interacting components considered to be a distinct physical entity for the purpose of study
  23. measurements of physical quantities must be expressed in units that match the ________ of that quantity
  24. motion and its causes, interactions between objets
  25. zeros in front of nonzeros are ________
  26. ______ _____ ______ estimates can also be used to estimate numbers in situations in which little information is given
  27. physicists often use _______ to explain the most fundamental features of various phenomena
  28. the degree of exactness of a measurement
  29. light
  30. three basic dimensions
  31. significant figures rule for addition and subtraction
  32. an experiment that tests only one factor at a time by using a comparison of a control group with an experimental group
  33. many of the models currently used in physics are ________ models
  34. physicists use the tools of mathematics to describe measures or pre directed relationships between _______ ________ in a situation
  35. a common convention used in science to indicate precision is known as ________ _________
  36. particles moving at any speed, including very high speeds
  37. measurements used in calculations should have the same _____
  38. base unit of length
  39. method error can be greatly reduced by _________ the method of taking measurements
  40. significant figures rule for multiplication and division
  41. behavior of submicroscopic particles
  42. electricity, magnetism, and light
  43. to make expressions as simple as possible, physicists often use ______ to describe specific quantities in an equation
  1. a system
  2. b electromagnetism
  3. c force, velocity, energy, volume, acceleration
  4. d precision
  5. e dimensions
  6. f round the final answer to the first column from the left containing an estimated digit
  7. g not significant (ex. 0.892 has 3 significant figures)
  8. h relativity
  9. i one variable
  10. j letters
  11. k certain -- uncertain
  12. l 7
  13. m standardizing
  14. n method error
  15. o models
  16. p units
  17. q physical quantities
  18. r dimension
  19. s controlled experiment
  20. t meter
  21. u unit
  22. v order-of-magnitude
  23. w optics
  24. x significant figures
  25. y accuracy
  26. z length, mass, time
  27. aa final answer has the same number of significant figures as the measurement have the smallest number of significant figures
  28. ab significant
  29. ac thermodynamics
  30. ad units (ex. time can be measured in seconds, hours, or years)
  31. ae second
  32. af significant (ex. 57.00 has 4 significant figures)
  33. ag kilogram
  34. ah model
  35. ai mechanics, thermodynamics, vibrations and wave phenomena, optics, electromagnetism, relativity, quantum mechanics
  36. aj mechanics
  37. ak uncertainty
  38. al quantum mechanics
  39. am prefixes
  40. an hypothesis
  41. ao vibrations and wave phenomena
  42. ap mathematical
  43. aq significant (ex. 50.3 has 3 significant figures)