Vocab
What is the common steps biologists use to gather information?
Scientific Method
1 L = ____ ml
1,000 mL
How many independent variables can there be in an experiment?
1
What is a constant or constant variable?
A variable that is kept the same during and between experiments.
What is the symbol for liter?
L
The group you monitor to assess the experiments results without the effects of your independent variable.
Control group
2 km = ____ cm
200,000 cm
What is the SI base unit use to measure length?
meter (m)
True or False:
Depending on the complexity of an experiment, some experiements will have many constants while others may have none.
True
How many meters are in one micrometer?
0.000001m
The variable you manipulate during an experiment
Independent variable
58 cm = _____ m
0.58m
How is data best analyzed?
Through the use of graphs
When is a line graph most useful?
When data is continuous such as the change in an individuals height each birthday (over time).
SI units are based on units of what number?
.10
The variable that is affected during an experiment
Dependent variable
2.75 m = ____ cm
275 cm
What is any parameter in the experiment that can change called?
Variable
What is the SI base unit used to measure time is the _____________
second (s)
How many meters are in one kilometer?
1,000
What is the difference between a hyphothesis and a theory?
A hypothesis is a possible explanation, it is not proven, and a theory has been proven and is supported by data.
35dg = _____ g
3.5g
When should you use a circle graph?
What kind of graph should be used when your independent variable is categorical or discrete (divided into distinct groups) rather than continuous?
Bar graph
What is the formula for volume?
Length times width times height....cubed