Measurement
What tool can scientists use to measure length?
ruler or meter stick
True or False? In a game of darts, accurate darts land close to the bullseye.
True
Why is it helpful to graph data?
To see a "picture" of your data
What unit do scientists use to measure length?
meters, centimeters
What unit do scientists use to measure temperature?
Celsius or Kelvin
6, 4, 15, 6, 2, 20
6
What is the difference between a linear graph and nonlinear graph?
The data points on a linear graph creates a straight line, the data points on a nonlinear graph do not create a straight line.
True or False? Data points are precise if they are close to each other.
True
The amount of space an object takes up is the _______.
Volume
Find the median of this data set:
8, 4, 3, 2, 9
4
What is a manipulated variable?
The variable that is controlled by the scientist.
Find the anomalous data in this set:
2, 5, 1, 2, 52, 3, 4
52
A ball if floating in the water. Does the ball have a higher or lower density than water?
Lower
Find the range of this data set:
5, 1, 9, 4, 11
10
y-axis
What is a graduated cylinder used for?
To measure the volume of irregular objects.
What is the difference between the mass and weight of an object?
The mass is the amount of matter, the weight is the measure of the force of gravity
Find the mean to this data set:
2, 5, 3, 2, 3
3
You place a cup of water outside during the winter and take the temperature of the water every 10 minutes. Afterwards, you graph your data. What would you graph on the x-axis?
Time
How many degrees Celsius does water freeze?
0 degrees