Unit 1 Cycle 1: Vocabulary

word definition draw a picture here

highlight the term so you can find words easily Leave enough space for a small picture or extra info later wolf Alternate pen/pencil colors to help your eyes separate the words

variable something in an experiment that changes or can be changed

What is the variable?

hypothesis plural - hypotheses a statement that can be proved or disproved by experimental or observational evidence

If, then statement: If the size of the magnet increases, then the distance the paper clip moves will increase.

If, then statement: If you stay up all night, then ….

If, then statement: If you eat all the Halloween candy, then ….

relationship an idea about what happens to one variable when a second variable changes

manipulated variable also called independent variable in an experiment, a variable that can be deliberately changed by the scientist and that determines the values of other variables (called responding variables)

manipulated variable the variable you change on purpose the ONE and ONLY variable you change

What is the manipulated variable?

responding variable also called dependent variable rin an experiment, a variable that responds to the change in the values of the manipulated variables

responding variable what you record in your data table

responding variable

What is the MV & RV? MV RV

What is the RV & MV? RV MV

fair test an experiment in which only the manipulated and responding variables are allowed to change and all other variables and conditions are kept the same

fair test a controlled experiment 1 MV, 1 RV, everything else is kept the same/constant

Is this a fair test?

Experiment: If the different Earth’s materials are heated by sunlight, then is the final temperature the same or different?

evidence in an experiment, the data collected by the researcher

evidence

DRY MIX dependent variable responding variable Y - axis manipulated variable independent variable X - axis

DRY MIX ts_edition1/index.html DRY MIX

best value mean

calculate the best value

uncertainty range 

calculate the uncertainty