Inquired objective booklet
Terms in this set (54)
problem asked to be solved
a possible answer to a scientific question.
in an experiment that is being tested.
the variable in a experiment that changes.
variable in an experiment that are controlled, such as temperature or exposure to light.
resources and tools used to conduct research and an experiment
steps taken to insure that no bodily harm is exhibited.
steps in a experiment
data that pertains to appearance.
data that pertains to number
gathering of all data received from a experiment.
a statement explaining the results of an investigation
What is a qualitative observation?
An observation based on sight, or features
What is a quantitative observation?
An observation based on number
English and metric ruler
English rulers are measured in standard form (inches, yards), metric is used in Europe (meters, centimeters) instrument that measures length
instrument that measures temperature
instrument that measures weight
instruments that magnifies tiny objects so they can be seen by the human eye
instruments that can show the balance in weight of objects.
instruments that can measure time
instruments that can calculate math problems and situations.
instruments that measure how much rain has fallen
instruments that measures wind speed.
instrument that measures wind pressure.
instrument that gathers and focus light, in order to observe.
instrument that measures direction.
instrument that uses springs to measure weight.
indicators that measure the pH of a substance
instrument that measures liquid
instrument that is used to measure specific measurements of medicine
rules, inches or foot
scale, grams or kilograms
granulated cylinders, cubic meter
ruler, square foot
Explain the differences between each of the following types of graphs: bar graph, line graph, pie chart.
A bar graph organized data on a table with bars, a line graph organizes its data with a line representation, and a pie chart organizes data on a table in a circle with wedges.
Why type of data is depicted in all graphs ?
Amount of something.
an average of all the data
the middle value of all the data in chronological order
the repeated value in all the data, responding variable.
the highest value in the data subtracted by the smallest
Explain when the median would be better representation of data.
that value for which one expects half of the (possible or observed) values
Explain why Pluto is not longer classified as a planet.
It's size and location in space made it different from others ; it fit the description of a Dwarf Planet.
What other "facts" or "truths" in science have been amended over the years?
the earth wasn't flat and there is not Brontosaurus or Triceratops
Why is it necessary to revise conclusions based on new evidence?
to have the most accurate answer at that time.
Explain the Big Bang Theory
the leading explanation about how the universe began - started small then inflated.
Outline skepticism surrounding the theory
it violates many laws of science.
What information should be present in a conclusion of a lab report?
The abstract, introduction, procedures, results and discussion, conclusions, and appendices.
Does the experiment fail if the hypothesis was refuted? Why or why not?
No ; you have only proved that it is incorrect.
What is a valid experiment?
An experiment that has good statistical analysis.
What is experimental error? What are common sources of error?
Errors that may occur in the execution of an experiment; incomplete definition, environmental factors, physical variations.
Explain how controls are used to design "fair experiments"?
You must see how the conditions change and stay the same, comparing the two to get an accurate conclusion.
Why is it important to repeat lab procedures at least 3-5 times before forming a conclusion?
To make sure the results stay the same and to make sure you did not make up your results.