Lesson 1
_____ is a measure of how much mass is contained in a given volume.
Density
Scientists often rely on a(n) _______ when they cannot obtain an exact number.
estimate
Scientist control changes in the _____ variable.
manipulated
An object will float if it is _____ dense than the surrounding liquid.
less
How many NFL divisions are there?
Eight
On the _____ scale, water freezes at 0 degrees and boils at 100 degrees.
Celsius
When you _______ measurements, the answer should only have the same number of significant figures as the measurement with the fewest significant figures.
multiply
To help you see what the data from an experiment mean, you could use a(n) ______.
graph
What number is the metric system based on?
10
Where is the Pro Football Hall of Fame?
Canton, Ohio
An object's _____ is the amount of space it takes up.
volume
A reliable measurement is both ______ and precise.
accurate
In science, line graphs are powerful tools because they allow you to identify ____ , make predictions, and recognize anomalous data.
trends
The significant figures in a measurement include all digits measured exactly, plus one _______ digit.
estimated
How many games is the NFL regular season?
17
The basic unit of measuring _____ is the kilogram.
mass
Calculating percent error and checking the reasonableness of data are two of the math tools scientists use to analyze ______.
data
A graph is a(n) _____ of data.
picture
If you add up the values in a data set and then divide the sum by the total number of values, the result will be the _______.
mean
Who has the most Super Bowl MVPs in history?
Tom Brady
The ______ is the tool used to measure mass.
balance
_____ data are data that do not fit with the rest of the data set.
Anomalous
A point that does not fall exactly on a graph line is a(n) ______ data point.
anomalous
Line graph display data that show how the responding variable changes in response to the _______ variable.
manipulated
What is the most expensive NFL franchise according to Forbes?
The Dallas Cowboys