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
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
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?
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
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
Someone who tries to answer a question about the natural world, often by designing experiments is called a _____________
What is a scientist?
The variables that made no difference in the number of cycles (swings) in our experiment
what are mass (#of pennies) and release point