Chapter 1 Vocab Cards Flashcards
bias
A(n) … occurs when what the scientist expects changes how the results are viewed.
constant
A factor that does not change when other variables change.
control
The standard by which the test results can be compared.
density
The mass per unit volume of a material.
dependent variable
The amount of growth is the … because its value changes according to the changes in the other variables.
experiment
A(n) … tests the effect of one thing on another using controlled conditions.
graph
A(n) … is a visual display of information or data.
hypothesis
A(n) … is a possible explanation for a problem using what you know and what you observe.
independent variable
The variable you change to see how it will affect the dependent variable.
mass
… is a measurement of the quantity of matter in an object.
model
A(n) … represents an idea, event, or object to help people better understand it.
scientific law
A(n) … is a statement about what happens in nature and that seems to be true all the time.
scientific method
An organized set of investigation procedures is called a(n) …
SI
All … standards are universally accepted and understood by scientists throughout the world.
standard
A(n) … is an exact quantity that people agree to use to compare measurements.
