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Glass beakers with colored solutions and a graduated cylinder on a dark laboratory bench
Science, part 2

Solutions, concentration, acids, the microscope and measurement.

A second paper going deeper into matter and mixtures, solution components, saturation, percent concentration formulas, acids and bases, the compound microscope, unit conversion, and the steps of scientific investigation.

Items
40
Topics
9 covered
Includes
Concentration formulas
Format
Multiple choice
  • Matter, pure substances and mixtures
  • Solutions: solute and solvent
  • Saturation and dissolving speed
  • Concentration and percent calculations
  • Acids, bases, pH and indicators
  • The compound microscope
  • Measurement and unit conversion
  • Science process skills and investigation
  • Term I exam review coverage
Jump to item 1
Multiple choice · 40 items

Science part 2 practice paper

Choose one answer per item. Nothing is timed and nothing is recorded, so take the paper as many times as you need. Submit at the end to see your score with a short explanation for every question.

Answered 0 / 40
  1. Item 1Matter & mixtures

    A substance with a definite, fixed chemical composition is called a

    A substance with a definite, fixed chemical composition is called a
  2. Item 2Matter & mixtures

    A pure substance made of two or more different elements chemically combined is a(n)

    A pure substance made of two or more different elements chemically combined is a(n)
  3. Item 3Matter & mixtures

    A mixture that looks uniform throughout, with no visibly distinguishable parts, is

    A mixture that looks uniform throughout, with no visibly distinguishable parts, is
  4. Item 4Matter & mixtures

    A mixture whose different components can be seen or distinguished is

    A mixture whose different components can be seen or distinguished is
  5. Item 5Matter & mixtures

    When matter is cooled, its particles

    When matter is cooled, its particles
  6. Item 6Solutions

    In a solution, the substance being dissolved is called the

    In a solution, the substance being dissolved is called the
  7. Item 7Solutions

    In a solution, the substance that does the dissolving is called the

    In a solution, the substance that does the dissolving is called the
  8. Item 8Solutions

    A substance that dissolves in a given solvent is described as

    A substance that dissolves in a given solvent is described as
  9. Item 9Solutions

    A substance that does not dissolve in a given solvent is described as

    A substance that does not dissolve in a given solvent is described as
  10. Item 10Solutions

    A solution in which water is the solvent is classified as

    A solution in which water is the solvent is classified as
  11. Item 11Solutions

    A solution whose solvent is not water is classified as

    A solution whose solvent is not water is classified as
  12. Item 12Solutions

    Solutions can be classified by phase as gas, liquid, or solid based on the physical state of the

    Solutions can be classified by phase as gas, liquid, or solid based on the physical state of the
  13. Item 13Saturation & solubility

    A solution that can still dissolve more solute is called

    A solution that can still dissolve more solute is called
  14. Item 14Saturation & solubility

    A solution holding the maximum amount of solute possible under given conditions is

    A solution holding the maximum amount of solute possible under given conditions is
  15. Item 15Saturation & solubility

    An unstable solution containing more dissolved solute than a normal saturated solution is

    An unstable solution containing more dissolved solute than a normal saturated solution is
  16. Item 16Saturation & solubility

    Which factor speeds up how quickly a solute dissolves by increasing particle motion and collisions?

    Which factor speeds up how quickly a solute dissolves by increasing particle motion and collisions?
  17. Item 17Saturation & solubility

    Stirring speeds up dissolving mainly by

    Stirring speeds up dissolving mainly by
  18. Item 18Saturation & solubility

    Crushing a solute into smaller pieces speeds up dissolving because it

    Crushing a solute into smaller pieces speeds up dissolving because it
  19. Item 19Scientific investigation

    In an experiment on dissolving speed, the factor a student deliberately changes, such as temperature, is the

    In an experiment on dissolving speed, the factor a student deliberately changes, such as temperature, is the
  20. Item 20Scientific investigation

    The factor that is measured or observed as an outcome in an experiment is the

    The factor that is measured or observed as an outcome in an experiment is the
  21. Item 21Scientific investigation

    Factors kept the same throughout an experiment, such as the amount of solvent, are the

    Factors kept the same throughout an experiment, such as the amount of solvent, are the
  22. Item 22Concentration

    A solution containing a small amount of solute relative to the solvent is described as

    A solution containing a small amount of solute relative to the solvent is described as
  23. Item 23Concentration

    A solution containing a large amount of solute relative to the solvent is described as

    A solution containing a large amount of solute relative to the solvent is described as
  24. Item 24Concentration

    Percent by mass is calculated as

    Percent by mass is calculated as
  25. Item 25Concentration

    Percent by volume is calculated as

    Percent by volume is calculated as
  26. Item 26Concentration

    If a problem gives the solute and solvent amounts separately but not the total solution amount, you should

    If a problem gives the solute and solvent amounts separately but not the total solution amount, you should
  27. Item 27Acids, bases & pH

    On the pH scale, a substance with pH below 7 is

    On the pH scale, a substance with pH below 7 is
  28. Item 28Acids, bases & pH

    On the pH scale, a substance with pH above 7 is

    On the pH scale, a substance with pH above 7 is
  29. Item 29Acids, bases & pH

    A substance with a pH of exactly 7 is considered

    A substance with a pH of exactly 7 is considered
  30. Item 30Acids, bases & pH

    Acids commonly taste sour and turn blue litmus paper

    Acids commonly taste sour and turn blue litmus paper
  31. Item 31Acids, bases & pH

    Bases commonly taste bitter, feel slippery, and turn red litmus paper

    Bases commonly taste bitter, feel slippery, and turn red litmus paper
  32. Item 32Acids, bases & pH

    Which indicator identifies a substance's specific pH value rather than just acid or base?

    Which indicator identifies a substance's specific pH value rather than just acid or base?
  33. Item 33Compound microscope

    The part of the compound microscope you look through, which magnifies the image, is the

    The part of the compound microscope you look through, which magnifies the image, is the
  34. Item 34Compound microscope

    The rotating part that holds the 4x, 10x, and 40x objective lenses is the

    The rotating part that holds the 4x, 10x, and 40x objective lenses is the
  35. Item 35Compound microscope

    If the eyepiece is 10x and the objective in use is 40x, the total magnification is

    If the eyepiece is 10x and the objective in use is 40x, the total magnification is
  36. Item 36Compound microscope

    The correct way to carry a compound microscope is to

    The correct way to carry a compound microscope is to
  37. Item 37Compound microscope

    When focusing a specimen, you should always start with the

    When focusing a specimen, you should always start with the
  38. Item 38Compound microscope

    Under high power, only which adjustment knob should be used to protect the slide?

    Under high power, only which adjustment knob should be used to protect the slide?
  39. Item 39Measurement & units

    Multiplying a measurement by conversion factors so unwanted units cancel out is called the

    Multiplying a measurement by conversion factors so unwanted units cancel out is called the
  40. Item 40Measurement & units

    To convert a Celsius temperature to Kelvin, you should

    To convert a Celsius temperature to Kelvin, you should
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