Unit 0 Flashcards
(26 cards)
What is a Control Group
a group that does not include any change to the variable being tested.
What is a Independent Variable
a variable that stands alone and isn’t changed by the other variables
What is a dependent variable
the variable that is being measured or tested in an experiment.
What is a Constant
a quantity that does not change.
What is an example of quantitative data
Height
What is an example of qualitative data?
hair color
The metric system is based on what multiple(multiply by what base)?
multiples of 10 units
List some units of the metric system
centimeter
decimeters
kilogram
How is length measured in the metric system? What unit?
meter
How is mass measured in the metric system? What unit?
grams
How is volume measured in the metric system? What unit?
liters
How is temperature measured in the metric system? What unit?
celcius
How is density measured in the metric system? What unit?
gram per cubic centimeter
What tool do you use to measure length?
a ruler
What tool do you use to measure mass?
balances; scales
What tool do you use to measure temperature?
thermometer
Observation
the action or process of observing something or someone carefully or in order to gain information.
Hypothesis
a supposition or proposed explanation made on the basis of limited evidence as a starting point for further investigation.
Experiment
a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
Qualitative Data
information that cannot be counted, measured or easily expressed using numbers.
Quantitative Data
value of data in the form of counts or numbers
Graphs
a diagram showing the relation between variable quantities, typically of two variables, each measured along one of a pair of axes at right angles.
Length
the measurement or extent of something from end to end; the greater of two or the greatest of three dimensions of a body.
Mass
how much matter makes up an object
