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
the outer covering of a bacteria
capsule
Not considered alive, because they cannot reproduce without a host cell
virus
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
the layer of the cell that controls things exiting/ entering
cell membrane
Flu and Covid are examples of these
viruses
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.
hair like structures that help a bacteria move
pili
Used to treat digestive health, these microbes found in yogurt are helpful
probiotics
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
a whip like tail used to move in bacteria
flagellum
These organisms live on your skin - 10, 000 per cm 2.
skin bacteria
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.
the circular genetic pieces inside a bacteria
plasmid
Name three ways that bacteria can help you.
1. Protect against other germs
2. Help you digest food
3. Help keep skin moisturized
4. Emotional health
5. Help skin be blemish- free