Vocab 1
a variable that you are going to change
what is an Independent Variable
The variable on a two coordinate graph that is always on the y axis
What is a dependent variable
Dependent Variable, result, y-axis
What does DRY stand for
Manipulate,Independent Variable, x-axis
What is MIX
The reason for doing an experiment where the Independent and Dependent variables are stated
What is the purpose
Anything that you can change in an experiment that might affect the outcome
What is a variable
A mass hanging from a fixed point that is free to swing to and fro
What is a pendulum
Metronome, swing, grandfather clock
What are examples of pendulums that you see in real life
Before conducting a controlled experiment it is essential to design a ________
What is a standard
Julio wants to know if sugar water freezes faster than plain water. "Sugar water" is the what?
What is the Independent Variable
the basic procedure used in a controlled experiment , before changing any of the variables
What is a standard
the variable that is the result of the experiment
what is the dependent variable
What were the three variables we tested in class in our pendulum experiment
Release point
mass (# of pennies)
length
Another name for a pendulum is a __________
What is a swinger?
A type of graph shows the outcome
of a series of experiments when
a variable is changed
incrementally (by steps)?
What is a two-coordinate graph
the variable that is always graphed on the x axis on a two coordinate graph
What is the independent variable
any motion or activity that repeats itself
What is a cycle
The longer the pendulum the____________the swings
what is lower
The greater the swings the _________the pendulum
Julio wants to know if sugar water freezes faster than plain water. "freezes faster" is the what?
What is the Dependent Variable?
Shows the outcome of a series of experiments when a variable is changed by steps
what is a two coordinate graph
a---- is one in which one, and only one, variable is changed in order to assess its effect
What is a controlled experiment
Smaller units of measurement, doing multiple trials and control all variables being tested are all what
What are 3 things to improve accuracy of an experiment?
The variables that made no difference in the number of cycles (swings) in our experiment
what are mass (#of pennies) and release point
We tested 3 variables in our pendulum experiment. Which was the variable that made a difference in the number of swings?
What is the length of the pendulum?