scientific method test sept. 5 bernard
rationale
a statement of the reasons you belive your hypothesis is correct
Quantitative
in order to make a graph, the data collected must be _____ testable
question
the problem must be written as a _____ ending with an answer
identify the object or event to be observed identify any factors, which are called variables, that might affect what will be observed
a hypothesis is expressed as a statement and must be capable of being tested. Before writing your hypothesis you must do what 2 things?
graph
after all trials have been carried out and data has been recorded in the data chart, making a ____ will further organize data and help you to see trends and patterns
research
after deciding on the problem, you must do _____ to find out what is already known about your topic
variables
all factors affecting observations and results in an experiment
variables
all factors affecting observations and results in an experiment are ______
constants
all other factors ( expect the two above) that could possibly affect the outcome of the experiment and must be kept the same are called ______
Constants/Controlled Variables
all other factors (variables) that could possibly affect the outcome of your experiment, all these must be kept the same (constant) in every trial in order for your experiement to be valid
variables
before deciding on the independent variable, you must first determine all possible ______
data chart
before starting the experiment, you must decide how you will record your data by creating an appropriate _____ _____
YOU do not accept or reject the hypothesis, the data supports or does not support it therefore it is either accepted or rejected
do you accept or reject the hypothesis
experimental design
good _______ ________ is important to doing successful research.
hypothesis
if your conclusion leads you to new questions, you should create a new ______
dependent variable
is the variable that you will measure in your experiment and will change in response to the independent variable
independent variable
is the variable you choose to manipulate or change in the experiment
data chart
is used to collect information during the experiment in an organized way
1. state the question or problem 2. hypothesis 3. plan the investiagtion 4. gather data 5. organize data 6. analyze data 7. draw a conclusion
list the seven steps of the scientific method
numbered procedure, materials list, and a data chart
so that others can replicate your exact experiment, you must write a ________, _________, and a _________
Scientific Method
the _____ _____ is a systematic way of testing an idea, hypothesis, prediciton or inference
scientific method
the _____ ________ uses process skills and follows a logical, organized, empirical, yet flexible approach to promblem solving
materials list
the ________ _____ is not numbered
your prior knowledge and research
the hypothesis is based on _______ and _________
personal pronouns and iffy words
the hypothesis should never contain _______ or ______
statement and tested
the hypothsis must be expressed as a _____ and must be capabe of being _______
scientists
the scientific method is used by _______ to find out about the natural world
dependent variable
the variable that you will measure in your experiment, it will change in response to the indepdent variable
indpendent variable
the variable you choose to manipulate or change in the experiment you are setting up
supports and does not support
when stating your conclusion, you must decide if the data collected _____ or ___________ the hypothesis