Science basics
Define Science.
The study of the natural world using observation and investigation.
When would you use the safety shower?
If chemicals spill on your body.
Where do you dispose of used needles?
Sharps container
What is a beaker used for?
Holding and mixing liquids.
Define Control Group.
The group that does not receive the variable being tested.
What is a Hypothesis?
A possible explanation for an observation that can be tested.
When would you use the eye wash station?
If chemicals get in your eyes.
Where do you put broken test tubes
Broken glass container.
Which tool measures liquid volume accurately?
Graduated cylinder.
Define Independent Variable (IV).
The factor that is changed by the scientist.
Difference between a Scientific Theory and Scientific Law.
A theory explains why something happens; a law describes what happens.
What is the fire blanket used for?
To smother a fire on a person.
Where does a contaminated petri dish go?
Biohazard container.
Which tool is used to transfer small amounts of liquid?
Pipette.
Define Dependent Variable (DV).
The factor that is measured or observed.
What makes a hypothesis valid?
It must be testable and falsifiable.
When would you use a fire extinguisher?
To put out small fires on equipment or surfaces.
Where does regular paper towel waste go?
Trash can.
What is the purpose of a striker?
To ignite a Bunsen burner.
Give an example of Qualitative Data.
The solution turned blue.
Why is science said to have limitations?
It only deals with the natural world, not the supernatural or moral judgments.
When would you use a fume hood?
To work safely with toxic fumes or volatile substances.
Why do we use different containers for disposal?
To prevent injury, contamination, and protect the environment.
What is an evaporating dish used for?
To heat and evaporate liquids, leaving solids behind.
Give an example of Quantitative Data.
The plant grew 5 cm in a week.