Scientific Method
the standard by which test results can be compared
control
what does the symbol t represent?
time
how many meters in a kilometer?
1000
which variable is plotted on the x-axis?
independent
anything that takes up space and has mass
matter
the variable that changes according to changes in other variables
dependent variable
mass
what does the prefix "centi" mean?
one hundredth or one hundred
the type of graph that displays data points that can be connected to show trends and changes often over time
line graph
a graph
The variable that is changed to see how it will affect the other variable
independent variable
the symbol used to represent a mole
mol
how many meters are in a hectometer?
100
graph that shows percentages or how fixed quantities are broken into parts
circle graph or pie chart
which type of graph would you use to compare and display the costs of different brands of shampoo?
bar graph
when expectations change how results are analyzed or conclusions are formed
bias
the unit we use to measure electric current
ampere
which is smaller, a nanometer or a picometer?
picometer
the type of graph used to compare values between different categories. Length of the data represents quantity or frequency of specific data points
bar graph
a unit obtained by combining different SI units
derived unit
What are all 6 steps of the scientific method?
1. state the problem
2. research and gather info
3. form a hypothesis
4. test a hypothesis
5. analyze data
6. draw conclusion
name of unit used to measure luminous intensity
candela
1000
what type of graph is used to summarize continuous data measured on an interval scale
histogram
a statement about what happens in nature that describes specific relationships under given conditions (does not explain why something happens)
scientific law