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Fall Semester Exam Review

Quiz by TIFFANY SOLOT

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164 questions
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  • Q1
    What is a model?
    A model is a representation of an object or system
    30s
  • Q2

    Which are examples of a physical model?

    Mathematical, graph, equation

    model car, flower, solar system, 

    big bang theory, water cycle, nitrogen cycle

    30s
  • Q3
    Explain why a weather map of the current weather is a mathematical model.

    weather is a concept

    It use images to represent something real

    It uses data to make predictions.
    30s
  • Q4

    What are some limitations of models?

    The model may not behave the same way as the real thing, may not be to scale or the same size, not made of the same material, etc.
    30s
  • Q5
    What two things make a hypothesis valid?
    testable and supported by evidence

    correct statement and  supported by evidence

    correct and testable

    30s
  • Q6
    How many milliliters are in 26 liters?

    260,000 milliliters

    2,600 milliliters

    26,000 milliliters
    30s
  • Q7
    How is length measured in SI units?

    Kelvin

    grams

    cm3

    meters
    30s
  • Q8
    Explain how the volume of an irregular shaped solid can be determined using a graduated cylinder.
    Fill the cylinder to a given mark, note the level of water. Add the object and see how much the water rises. The difference between the two marks is the volume of the object.
    30s
  • Q9
    Define density

    density is the  volume an object takes up

    density it the weight of an object

    density is the amount of matter in a given volume
    30s
  • Q10
    What is the equation used for calculating density?
    Density= Mass/Volume

    Density= Weight/Volume

    Density=Volume/Mass

    30s
  • Q11
    What are the units for density?

    cm3

    g/cm3

    g/cm

    g

    30s
  • Q12

    Calculate the density of a piece of rock that has a mass of 42 grams and a volume of 8 cm3

    5.25 g/cm3

    0.19 g/cm3

    5.25 g/cm

    336 g/cm3

    30s
  • Q13
    True or False: 1mL = 1cm3
    true
    false
    True or False
    30s
  • Q14
    Name three types of safety equipment use when dealing with hazardous chemicals.
    goggles, aprons, gloves

    apron, graduated cylinder, gloves

    beaker tongs, goggles, splash guard

    30s
  • Q15

    The first 2 steps of the Scientific method are observation and state the problem put the remaining steps in order:

    Users link answers
    Linking
    30s

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