science flash card
(20 cards)
scientific methods
a series of steps followed to solve problems
hypothesis
an explanation that is based on prior scientific research or observations and that can be tested
controlled experiment
an experiment that tests only one factor at a time by using a comparison of a controlled group
variable
a factor that changes in an experiment in order to test a hypothesis
controlled group
the group that does not receive the treatment in an experiment
experimental group
the group that does receive the treatment in an experiment
step one of a scientific method
ask a testable question
step two of a scientific method
form a hypothesis
step three of a scientific method
test the hypothesis ,controlled experiment, variable
step four
analyze the results
step five
draw conclusions
step six
share the results
meter
the fundamental unit of length in the metric system
liter
a metric unit capacity.
gram
a metric unit of mass equal to one thousand of a kilogram
volume
the amount of space the a substance or object occupies
density
comparison of the mass to the volume of an object.
area
the extent or measurement of a surface or a piece of land.
Celsius
the scale of temperature in witch water freezes at 0 and boils at 100 under stander conditions
mass
a large number of a person or an object
