Dr. Kloor
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Is used to write very large number or very small numbers | Scientific Notation
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| Is a measure of the reproducibility of measurement | Precision
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| Is a technique for converting between units | Dimensional Analysis
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| Is used to make units smaller or larger | Metric Prefixes
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| Anything that has mass or volume | Matter
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| Is the capacity to do work | Energy
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| Theoretically lowest temperature that can be reached | Absolute Zero
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| Substances that cannot be changed into simpler substances by a chemical change | Element
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| Substances that contain two or more elements in a fixed proportion | Compound
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| A blend of two or more pure substances | Mixture
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| A method to separate heterogenous mixtures | Filtration
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| A method to separate homogenous mixtures | Distillation
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| T/F: Temperature is a measure of how hot or cold something is | True
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| T/F: The four states of matter are solid, liquid gas and air. | False
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| T/F: For numbers less than one the exponent is positive | False
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| T/F: One calorie is the amount of heat that raises the temperature of one gram of water by one degree centigrade | True
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| T/F: Liquids as matter have definite volume and definite shape | False
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| T/F: The SI temperature scale is called the Kelvin scale | True
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| In the measurement 43.52 centimeters which digit is the most uncertain? | 2
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| The number of significant figures in the measurement 6.80 is? | 3
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| The number 210,000 has how many significant figures? | 2
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| A lump of coal | Potential Energy
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| Crushing a can | Physical change
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| Lighting a match | Chemical Change
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| A waterfall | Kinetic Energy
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| If D=m/v what is the density of an unkown element that has a mass of 10 g. and a volume of 50cm3 | 0.2g/cm3
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| If 1 calorie = 4.184 joules then 10 calories = how many joules | 41.84
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| Write the correct scientific notation for the number 503,000,000 | 5.03×10- 8
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| A baby has a fever his temperature is 40 degrees centigrade/celsius. What is his temperature in the Kelvin Scale | 313K
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| After making an observations and proposing an hypothesis, a scientist's next step is: | Perform an experiment
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| The metric measure best suited to measure distance between jackson, MS. And Memphis Tn. Would be | Kilometer
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| How many significant digits are in the measurement 5.0070 g? | Five
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| T/F: It is not necessary to clean up your work area in a lab | False
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| T/F: All lab measurements are certain | False
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| T/F: The density of a substance is measured in g/cm3 | True
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| T/F: The metric system uses measures of ten to express large or small numbers and is used by the scientific community | True
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| 1 Kilometer | 1,000 meters
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| 1 centimeter | 1,000,000 millimeters
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| 1 mega gram | 0.000,001
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Created by:
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