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Science In Action

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Liquid or gas will use a graduated cylinder ... same as for mass (triple beam balance) and volume (ruler or graduated cylinder) ... – PowerPoint PPT presentation

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Title: Science In Action


1
Science In Action
  • The fundamentals of doing science!

2
Thinking Like a Scientist
  • There are 6 skills you need to acquire to become
    a scientist
  • Observing
  • Inferring
  • Predicting
  • Classifying
  • Making Models
  • Communicating

3
Observing
  • Using your 5 senses to gather information about
    your world is observing (observations)
  • There are 2 types of observations qualitative
    and quantitative
  • Qualitative describes the observation EX It is a
    red rock.
  • Quantitative describes how many or a measurement
    EX There are 6 rocks that are 2 cm large.

4
Inferring and Predicting
  • When you explain or interpret an observation you
    are inferring
  • When you make an inference about a future event
    based on current evidence or past experiences is
    a prediction

5
Classifying and Making Models
  • Grouping together items based on similarities is
    classifying
  • There are many ways to classify the same
    itemsjust pick a different characteristic
  • Models are pictures, diagrams, or any other type
    of representation of an item
  • Scientists make models to show concepts that are
    too large or too small to observe

6
Communicating
  • Communicating is the process of sharing ideas and
    information with other people
  • Problems that occur with communication is not
    using clear and precise language

7
Making Measurements
  • To do science you must have a basic understanding
    of measuring
  • We use metrics as our units in science class
  • You are expected to know the following prefixes
  • milli- (m) means 1/1000
  • centi- (c) means 1/100
  • kilo- (k) means 1000

8
Length
  • Measures the distance between two points
  • The unit for labeling length is meter (root word)
  • The tool used to measure is a meterstick, ruler,
    or tape measure

9
Mass
  • Mass is the amount of matter in an object
  • The unit of measurement is gram (root word)
  • The tool used to find mass is a triple beam
    balance

10
Volume
  • Volume is the amount of space an object takes up
    The unit of measurement for volume is different
    depending on phase of matter
  • Liquid or gas is liters (root word)
  • Solids is centimeters cubed (cm3)
  • The tool used to measure volume also depends on
    phase of matter
  • Liquid or gas will use a graduated cylinder
  • Solid either a ruler for a regular shaped object
    or a graduated cylinder for an irregular shaped
    object

11
Density
  • Density is the mass per unit of volume. In other
    words how much matter for a given space
  • The units of measurement are different based on
    phase of matter
  • Liquids would be g/mL
  • Solids would be g/cm3
  • The tools used to find density are the same as
    for mass (triple beam balance) and volume (ruler
    or graduated cylinder)

12
Temperature
  • Temperature is the measure of the motion of
    molecules
  • The units for temperature is C
  • The tool for measuring temperature is a
    thermometer
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