Chapter 1 Vocab Cards Flashcards
Bias
What the scientist expects changes how the results are reviewed.
Constant
A factor 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 because its value changes according to the changes in the other variables.
Experiment
It tests the effect of one thing on another using controlled conditions.
Graph
A visual display of information or data.
Hypothesis
A possible explanation for a problem using hat you know and what you observe.
Independent Variable
The variable you change to see how it will affect the other variables.
Mass
A measurement of the quantity of matter in a object.
Model
Represents an idea, event, or object to help people understand it.
Scientific Law
A statement about what happens in nature and seems to be true all the time.
SI
Standards that are universally accepted and understood by scientists throughout the world.
Standard
An exact quantity that people agree or use to compare measurements.
Technology
The application of science to help people.