Lab Safety
True or False: Food and drinks are not allowed in a lab.
True
The First step of the Scientific Method is
What is "ask a question"?
If glass is broken in the lab . . .
Back away and tell your teacher immediately.
When scientists make an educated guess this called
What is a hypothesis?
What is a conclusion?
A solution to a problem.
True of False: Running in a lab is a safe practice?
False
What should you do after you come up with a hypothesis about a problem?
What is "test your hypothesis"?
Never_______ chemicals, directly out the test tube.
Smell
If the results of your experiment does not support your hypothesis, what do you do?
Learn from your mistakes and rewrite your hypothesis or redo the experiment.
What is a controlled variable?
Something used as comparison.
What should you do if there is a spill or accident in the lab?
Notify your teacher if there is a spill or accident.
Results can be showned in
Tables, Graphs, and pictures
If you do not understand a direction or part of a lab procedure you should
Ask your teacher
When a scientist decides whether or not his/her hypothesis is true or false and can explain the reasoning this is called
What is conclusion?
What is a constant variable?
Factors that stay the same.
What is the most important safety rule in the lab?
Always follow directions.
What is the scientific method?
At the end of the lab what should you do.
Wash hands and clean up area.
What should you do after an experiment?
Analyze the results
What is an independent variable?
A factor that is by itself.
True or False. Long hair be secured to the back of your head when conducting an experiment?
True
Communicate Results
What should you do first if you don't understand the directions of a lab.
Real all directions before doing lab.
What is the tested variable in an experiment?
Independent variable.
The results of the experiment; what happens due to the independent variable.