information from which a conclusion can be drawn
What is data?
the use of scientific methods to test your hypothesis
What is an experiment?
used to measure temperature
What is a thermometer?
Data from controlled experiments need to be consistent and ....
what is precise?
Scientists first define a ....
what is problem?
observations that make you believe something is true
What is evidence?
Scientists often use these to learn more about the world, or to test designs
What are models?
to measure elapsed time
What is a stopwatch?
the ability to make a measurement that is as close to the actual value is called
What is accuracy
Scientists begin their investigation with....
what is research?
Statement of what you think will happen during an investigation
What is a hypothesis?
This is a way for scientists to investigate. It can be in the form of a questionaire
What is a survey?
to measure length and distance
What is a meterstick?
Scientists organize data by using tables and...
What are graphs?
they form a prediction called a..
what is hypothesis?
A standard against which change is measured
What is a control group?
Scientists also use this to collect data
What is sampling?
used to measure force
what is a spring scale?
The value that occurs most often is called...
What is the mode?
Scientists use their observations to ...
What is draw conclusions?
A conclusion based on observations
What is inference?
These are organized steps for doing an investigation
What are scientific methods?
used to measure volume
What is a graduated cylinder?
A conclusion based on observations
what is inference?
They collect data with...
What are tools?