Vocab Chp 1
A way of learning about the natural world.
What is science?
A measure of the force of gravity acting on an object
What is weight?
Hypothesis must be what?
What is testable?
Another name for the metric system
What is SI units?
The horizontal axis is also known as
What is the x-axis?
What is the median?
A possible explanation for a set of observations
What is a hypothesis?
An equation that shows how two units are related
What is a conversion factor?
variable that changes because the independent variable is changed
What is the dependant variable?
Basic SI unit for length
What is the meter?
The steepness of a graphed line
What is the slope?
The numerical average
What is the mean?
Variable changed to test a hypothesis
What is an independent variable?
the amount of space an object takes up
What is volume?
A summary of what you learned from an experiment
What is a conclusion?
Basic SI unit for mass
What is kilograms?
a pair of numbers used to determine a point on the graph
what is a coordinate?
How close a measurement is to true or accepted values
What is accuracy?
A well-tested explanation for a wide range of observations or experimental results
theory
A measure of the amount of matter an object contains
What is mass?
The last step to the scientific method.
What is sharing information?
Time is measured in what SI units
What is seconds?
The veritcal axis is also known as
What is the y-axis?
The number that appears the most often in a set of data
What is the mode?
facts, figures, and other evidence gathered during observations and experiments
What is data?
A measure of how much mass is contained in a given volume
What is Density?
Graphs reveal this in data
What is patterns?
O Kelvin is also know as what?
What is absolute zero?
Three types of graphs
What are bar, line, and circle graphs?
An approximation of a number based on reasonable assumptions
A statement that describes what scientists expect to happen every time under specific conditions
What is a scientific law?
Used to determine how accurate an experimental value is
What is percent error?
How many variables should be tested at a time?
What is one?
Liquid volume is measured in what?
What is liters?
A smooth line that reflects the general pattern of a graph
What is a line of best fit?
How close a group of measurements are to one another
What is precision?