Environmental Science Exam Questions Correctly Answered.
observation - CORRECT ANSWER the first step in the experimental method and is a piece of information we gather using our senses-sight, hearing, smell, and touch.
experimental method - CORRECT ANSWER a method that consists of a series ...
observation - CORRECT ANSWER the first step in the experimental method and is a piece of information
we gather using our senses-sight, hearing, smell, and touch.
experimental method - CORRECT ANSWER a method that consists of a series of steps that scientists
worldwide use to identify and answer questions.
hypothesis - CORRECT ANSWER the second step in the experimental method and is a testable idea or
explanation that leads to a scientific investigation.
prediction - CORRECT ANSWER a logical statement about what will happen if the hypothesis is correct.
experiment - CORRECT ANSWER the third step in the experimental group and is a procedure designed to
test a hypothesis under controlled characteristics.
variable - CORRECT ANSWER is the factor of interest.
experimental group - CORRECT ANSWER the group that receives the experimental treatment.
control group - CORRECT ANSWER the group that does not receive the experimental treatment.
data - CORRECT ANSWER the information that a scientist gathers during an an experiment, which is
often in numeric form.
organizing and analyzing data - CORRECT ANSWER the fourth step in the experimental method.
, bar graph - CORRECT ANSWER one common type of graph and are useful for comparing data for several
things in one graph.
drawing conclusions - CORRECT ANSWER the fifth step in the experimental method.
repeating experiments - CORRECT ANSWER the sixth step in the experimental method.
communicating results - CORRECT ANSWER the last step in the experimental method.
correlations - CORRECT ANSWER the linear dependence between two variables. A mutual relationship or
connection between two or more things. A positive correlation indicates the extent to which the
variables increases or decreases. A negative correlation indicates the extent to which one variable
increases as the other decreases.
statistics - CORRECT ANSWER the collection and classification of data that are in the form of numbers.
mean - CORRECT ANSWER the number obtained by adding the data for a characteristic and dividing this
sum by the number of individuals.
distribution - CORRECT ANSWER is the relative arrangement of the members of a statistical population.
probability - CORRECT ANSWER the chance that somethings will happen.
sample - CORRECT ANSWER a group of individuals or events selected to represent the population.
risk - CORRECT ANSWER the probability of an unwanted outcome.
models - CORRECT ANSWER representations of objects or systems.
physical models - CORRECT ANSWER 3-D models that you can touch.
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