Definitions
This variable stays the same throughout the whole experiment
What is a controlled variable?
There are three types of ______.
What is variables?
If the ball is thrown over the roof then it will fall into the street and cause an accident because object cause accidents.
What is the independent variable?
Ball being thrown into the street
What do you call a scientific guess that you can test in an experiment.
A hypothesis.
What do we use to make observations?
Our five senses.
Responds to the changing variable in an experiment
What is a dependent variable?
In an experiment, what a scientist measures or observes to see the effect is called the ___________.
What is dependent variable?
If athletes drink gatorade then their performance will increase because gatorade supplies energy to the body.
What is the dependent variable
Increase athletic performance
A good hypothesis should be written in this kind of sentence.
If... Then... Because...
What is a qualitative observation?
An observation that describes qualities like color shape or texture.
This is the changing variable in an experiment
What is an independent variable?
In an experiment, what the scientist changes is called the _____________.
What is independent variable?
If I put more soap in my bathtub then more bubbles will form because soap causes forms bubbles in the presence of water.
What is the dependent and independent variable?
Dependent Variable: Bubbles forming in water
Independent Variable: Amount of soap.
Does a hypothesis have to be correct? Why or why not?
No not always, because we still get information from the results of the experiment.
What is a quantitative observation?
An observation that uses numbers or amounts, an observation we can measure or count.
This is a scientific procedure used to make a discovery
What is an experiment?
________ are kept the same throughout an experiment.
What is controlled variables?
If Capital Prep Scholars study for two hours everyday then their grades will increase because studying improves memory for test.
What is the Independent Variable and Dependent Variable?
Independent Variable: amount of time spent studying
Dependent Variable: Increase grades
Which part of an “if…then” statement is the independent variable?
The "if" part.
The pencil is 10 cm long is that a qualitative or quantitative observation?
Quantitative.
An element, feature, or factor in an experiment.
What is a variable?
In order to ensure a ____ test, there must be controlled variables.
What is fair?
Independent Variable: Amount of time spent practicing
Dependent Variable: Increased chance of winning a basketball game
What is the Hypothesis
If I spend more time practicing then my chances of winning basketball games will increase because practice makes perfect.
Which part of an “if…then” statement is the dependent variable?
The "then" part.
The rock feels rough is that a qualitative or quantitative observation?
Qualitative.