DHS PS Ch. 1 - Methods of Science (2018)
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| The prefix milli means? | .001 or 1/1000
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| The prefix centi means? | .01 or 1/100
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| The prefix deci means? | .1 or 1/10
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| To find the volume of a regular shaped object (such as a brick or box), you should? | multiply the length x width x height (answer will be cubed)
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| A factor that remains the same in an experiment is the? | constant
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| In a controlled experiment, the single factor changed (manipulated) by the researcher is which variable? | independent variable
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| In a controlled experiment the responding factor that is measured is which variable? | dependent variable
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| Another term for technology is? | applied science
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| A measurement standard is defined as? | the EXACT quantity people agree to use for comparison.
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| One benefit of the SI system is that it is? | based on multiples of ten
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| The prefix kilo means? | 1,000
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| The prefix deca means? | 10
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| The prefix hecto means? | 100
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| A factor in an experiment that changes from the manipulation of the independent variable is the? | dependent variable
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| Which type of graph would you use to compare data you collected by counting? | bar graph
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| What type of graph would you make if you wanted to show the percentage of students who completed their homework? | circle graph or pie chart
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| Which type of graph best shows a change in data over time? | line graph
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| Which type of graph best shows data that are parts of a whole? | circle graph or pie chart
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| Which type of graph shows how a relationship between variables changes over time? | line
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| An explanation based on many observations and investigations is called a(n)? | theory
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| A statement about something that always seems to be true? | scientific law
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| The three ways that an investigation can be performed are _______? | by observing, experimenting and modeling
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| When using the SI system we would measure length or distance in what unit? | meters
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| To find the density of a material, you would? | divide the mass by the volume
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| The x axis on a graph is used to show which variable? | independent variable
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| The y axis on a graph is used to show which variable? | dependent variable
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| 6th step in the Scientific Method where you decide if your hypothesis was supported. | draw conclusions
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| A quantitity that can have more than a single value? | variable
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| The International System of units that are universally accepted and understood throughout the world? | SI
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| The variable you change to see how it will affect the dependent variable? | independent variable
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| The mass per unit volume of a material? | density
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| A possible explanation for a problem using what you know and observe? It should be an "If/then" statement. | hypothesis
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| A unit obtained by combining different SI units? | derived units
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| A visual display of info or data? | graph
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| Science deals with things in the? | natural world
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| The application of science to help people? | technology
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| The 4th step in the Scientific Method that involves making observations, building a model, or performing an experiment? | test the hypothesis
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| The standard by which the test results can be compared to? | control
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| The amount of space occupied by an object? | volume
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| SI unit for mass? | kilogram
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| SI unit for temperature | Kelvin
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| The quantity of matter in an object? | mass
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| The SI system is based of multiples of? | 10
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| The first step in the Scientific Method? | state the problem
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| The SI unit for intensity of light? | candela
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| The independent variable is plotted on the horizontal or _____ ? | x axis
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| The SI unit for time? | second
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| SI unit for length? | meter
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| This is the coldest temperature reached at 0 K. | absolute zero
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| The second step in the Scientific Method where scientist learn as much as possible about the background of the problem? | gather information
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| The SI unit for the amount of substance? | mole
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| The third step in the Scientific Method that involves an educated guess or an "if/then" statement? | form a hypothesis
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| Standard units used to measure density. | g/cm3
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| The SI unit for electric current? | ampere
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| An organized set of investigation procedures? | scientific method
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| The fifth step in the Scientific Method where observations are recorded and organized in graphs and tables? | analyze the data
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| The dependent variable is plotted on the vertical or ________? | y axis
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| When what the scientist expects changes how the results are viewed? | bias
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| This tests the effect of one thing on another using controlled conditions? | experiment
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| Which type of graph best shows a comparison of several items or events? | bar graph
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| When numbers in that range have been left out or there was not data for those numbers, you would insert a __________ . | break
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| In what country are the actual SI standards kept? | France
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| A way to measure the volume of an irregularly shaped object would be to ... | measure the water displaced in a graduated cylinder
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| When measuring a liquid in a graduated cylinder, it is important to record the measurement at the bottom of the ... | meniscus
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| What unit would be appropriate to measure the distance from here to Florida in? | kilometer
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| What unit would be appropriate to measure the length of a school building? | meter
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| What is the saying to help remember the units in the unit line? | King Henry Drinks Ucky Dark Chocolate Milk
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| What temperature does water freeze and boil at on the Celsius scale? | 0C and 100C
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| What temperature does water freeze and boil at on the fahrenheit scale? | 32F and 212F
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| What temperature does water freeze and boil at on the Kelvin scale? | 273K and 373K
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| These can represent ideas, events, or objects that are too big or too small to see | models
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| The latin word scientia means ________ ? | knowledge
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| Another word for average, calculated by adding the values together and then dividing by the number of values added. | mean
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| Another name for middle, calculated by arranging a list of numbers from least to greatest and is the middle number | median
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| The most common number from a list of numbers. | mode
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Created by:
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