Chapter 1 Vocabulary
Copy into glossary of lab notebook
• Water Displacement: (displacement of water)
-a method used to collect gas using a bucket and bottle filled
with water (closed system).
-Leave room for a second definition here.
• Quantitative:
observations which include number (measurements) or
comparisons of amounts.
example:
biggest-smallest
least-most
15cm, 25g, 5 mL
• Qualitative:
observations which include word descriptions of properties
like color, texture, clarity, or a description of a reaction.
example:
white powder
clear, colorless, liquid
•Controls:
Things that are kept the same in an experiment, in order to
make comparisons.(standardized variables)
•Sources of Error:
Conditions or things that happen during an experiment
which may result in groups having varying results. These
are problems that you have no control over and have to do
with equipment/materials used. (Tell what effect each SOE
would have on the results.)
(NOT mistakes or human error!)
Volume: the amount of space an object or substance
takes up.
Water Displacement:
-a method used to collect gas using a bucket and bottle filled with
water (closed system).
-Used to measure the volume of an irregular-shaped object.
Quantitative:
observations which include number (measurements) or comparisons
of amounts.
example:
biggest-smallest
least-most
15cm, 25g, 5 mL
Qualitative:
observations which include word descriptions of properties like color,
texture, clarity, or a description of a reaction.
example:
white powder
clear, colorless, liquid
• Granular: composed of particles with air space in between.
– Examples:
• marbles, rocks, sand, etc…
• Properties: a distinguishing qualities or characteristics of a substance.
• Histogram: a type of bar graph showing the distribution of values by frequency or
occurrence.
• Mean: the sum of the values divided by the number of values.
• Median: the middle value - arrange all numbers from lowest to highest and
determine which value is in the middle. (if there are two find the mean of those
two numbers)
• Mode: the number that appears most often – if more than one number, then list all
• Capacity: how much something can hold