Scientific Method
Three main branches of science
Physical Science
Biology
Earth Science
This is where you find the Independent Variable
X-axis
SI unit for length
Meters (m)
11 cm = ________ m
0.11 m
This is a measurement of the quantity of matter in an object
Mass
In order for an experiment to be valid, the experiment must have...
Measurable data
This is a visual display of information or data
Graph
This is an exact quantity that people agree to use for comparison
Standard
You have a length of rope that measures 3,075 mm. How long is it in centimeters?
307.5 cm
How is volume of a regular shape calculated?
length (l) x width (w) x height (h)
This is the variable that is changed as a result of the independent variable
Dependent Variable
Three types of graphs
Line Graph
Bar Graph
Circle Graph
What quantity does 12.3 s measure?
Time
Your pencil has a mass of 56 grams (g). What is the mass in decagrams (dag)?
5.6 dag
QUICK!!! YOU HAVE 10 SECONDS!!!
Stand up and sing a verse of your favorite song!
That's it. You get points if you did it.
This is a variable that does not change when the other variables change
Constant
Shows how a relationship between variables changes over time
Line Graph
This is the system of measurements that is universally accepted and understood by scientists
International System of Units (SI Units)
How many millimeters is 1.23 km?
1,230,000 mm
Equation for density
D = m/v
This is a statement about what happens in nature and that seems to be true all the time
Law
***DOUBLE JEOPARDY***
List ALL the needed parts of a graph with one set of data
Title
X-axis label, units, scale
Y-axis label, units, scale
Data Plot
Line of Best Fit
The boiling point, freezing point, and absolute zero (in that order) for the Kelvin and Celsius scale for temperature.
373 K, 273 K, 0 K
100 °C, 0 °C, -272 °C
MUST INCLUDE UNITS!!!
Order of prefixes from largest to smallest
(All or Nothing)
Kilo-
Hecta-
Deca-
Base
Deci-
Centi-
Milli-
Finish it...
FREEZE!!!
Everybody clap your hands!