Definitions
This variable stays the same throughout the whole experiment
controlled variable
There are three types of ______.
variables
"The farther a ball drops, the higher it will bounce." What is the independent variable?
the distance the ball drops
brand of the syrup (in the maple syrup, flow rate experiment)
controlled
The type of plant (in a "does the type of fertilizer affect how tall a plant grows" experiment)
not independent
Responds to the changing variable in an experiment
dependent variable
In an experiment, what a scientist measures or observes to see the effect is called the ___________.
dependent variable
"The type of shoe affects how fast someone can run." What is the dependent variable.
the speed they run
green house (in the rose bushes example)
controlled
The type of soap (in a "the greater the amount of soap in a soap, water mixture, the bigger the soap bubble can be blown" experiment)
not independent
This is the changing variable in an experiment
independent variable
In an experiment, what the scientist changes is called the _____________.
independent variable
"The greater the amount of soap in a soap, water mixture, the bigger the soap bubble can be blown." What is the independent variable?
the amount of soap in the mixture
The type of shoe (in a "the type of shoe affects how fast someone can run" experiment)
not controlled
Whether they had an energy drink or not (in a "drinking energy drinks make people more aggressive" experiment)
independent
This is a scientific procedure used to make a discovery
an experiment
________ are kept the same throughout an experiment.
controlled variables
In the maple syrup, flow rate experiment, What is the dependent variable?
What is the flow rate of the syrup
The ball (in a "the farther a ball drops, the higher it will bounce" experiment)
controlled
The cartoon (in a "how funny a cartoon is when watched either alone or with others" experiment)
not independent
An element, feature, or factor in an experiment. (anything that can be changed in an experiment)
a variable
In order to ensure a ____ test, there must be controlled variables.
fair
Different rose bushes are grown in a greenhouse for two months. The number of flowers on each bush is counted at the end of the experiment. dependent variable?
the number of flowers
How tall the plant grows (in a "does the type of fertilizer affect how tall a plant grows" experiment)
not controlled
Whether they ate breakfast before school or not (in a "eating breakfast in the morning increases ability to learn in school" experiment)
independent