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2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt UNITS of Measure Lab Equipment FormulasMeasurement Scientific Method
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What are the units of length?
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Meters
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What are the unit for mass?
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Grams
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What are the units for the volume of a liquid?
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Liters
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What are the units for the volume of a solid?
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Cubic centimeters (cm 3 )
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What are the units of Density?
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g/mL or g/cm 3
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What are beakers?
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What is a triple beam balance?
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What is an Erlenmeyer flask?
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What is a graduated cylinder?
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What is a Bunsen burner?
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Mass/volume
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What is the formula for density?
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Accepted-Experimental Accepted X 100
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What is the formula for percent error?
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King Henry Died By Drinking Chocolate Milk
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What is the mnemonic for the order of the metric prefixes?
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L x W x H
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What is the formula for volume of a regualar shaped object?
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Water displacement (describe it)
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What is the technique used for determining the volume of an irregular shaped object? Volume of water + object Minus Volume of water Volume of object
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Accuracy
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What is getting results that equal the “true” or “accepted” results
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Precision
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What is getting results that are repeatable or close together
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To increase the accuracy of the data, you can gather precise measurements by reporting……
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Your results with all marked (known) digits plus 1 estimated digit
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SI Units
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What are the standard units used in Science?
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What MUST be included in a measurement
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Value and a standard it is measured against (number and units)?
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No matter what version of the scientific method you use, they all start with this
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What is a Problem or question?
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If… Then… because statement that predicts what will happen in an experiment
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What is a hypothesis?
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The difference between a scientific law and a scientific theory
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Laws explain natural events without data. Theories are explanations of that result from years or research.
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Data on the x axis of a graph
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What is the independent variable (The variable “I” change)
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Data on the y axis of a graph
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What is the dependent variable (The variable I am measuring)
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Final Jeopardy How many points are you going to risk? Scientific Notation
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Complete the following chart Standard NotationScientific Notation 0.00345 1.2 x 10 2 4.5 x 10 -4 12 000
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Standard Notation Scientific Notation Rule 0.003453.45 x 10 -3 Number less than 1 exponent is negative 1,2001.2 x 10 2 Positive exponent number is greater than 1 0.000454.5 x 10 -4 Negative exponent number less than one 78 0007.8 x 10 4 Number greater than 1 exponent is positive
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