Science vocab Flashcards
what is a scientific method
the pattern of investigation procedures
what is a hypothesis
is a possible explanation for a problem using what you know and what you observe
what is a experiment
tests the effect of one thing on another using a control
what is a variable
a quality that can have more than one single value
dependent variable
it’s value that changes according to the changes in other variables
what’s a constant
a factor that does not change
what’s a control
it’s the standard by which the test results can be compared
what is a bias
it occurs when the scientists expectations changes how the results are analyzed or the conclusions are made
what is a scientific theory
it is a explanation of things or events based on knowledge gained from many observations and investigations
what is a scientific law
it is a statement about what happens in nature and that seems to be true all the time
what is a standard
it is a exact quantity that people agree to use to compare measurements
what is the international system
this is a system often abbreviated Si from the french le systeme international di units
what is volume
it is the volume of space occupied by an object
what is matter
is anything that takes up
space and mass
what is density
is the mass per unit volume of a material
