Variables
What is an independent variable?
The variable being changed/manipulated
What should you do if acid gets on your skin?
Wash your skin with soap
What is a hypothesis?
an educated guess or testable prediction
What are goggles for?
To protect your eyes
If you are looking at which shampoo makes people's hair the softest, the shampoo brand is the ___________ variable.
Independent or dependent
What is a dependent variable?
The variable being measured/observed.
When you are heating something in a test tube, where should the test tube be pointed?
What does a beaker measure?
Volume
Number of tomatoes grown on a tomato plant is ____________ data.
Quantitative or qualitative
Quantitative
Variables that you keep the same throughout an experiment.
If you're getting ready to complete a lab that deals with fire, what are at least two lab safety rules you should keep in mind?
Tie back long hair, remove any loose clothing or jewelry
What is the difference between analyzing results and drawing conclusions?
Analyzing results is finding out what happened. Drawing conclusions is saying why you think it happened.
What is a graduated cylinder used for?
To measure specific amounts of volume
You are looking at what medicine brands makes people's headaches go away fastest, the group that does not get any medicine is the ____________.
Control or constant.
Control
What is a control?
A variable that does not get the independent variable.
What should you use to pick up glass that you are heating?
Tongs
What is the scientific method?
An organized set of investigation procedures used by scientists
What do you use a pipette for?
To measure very small amount of liquids
Making graphs is __________.
Drawing conclusions vs analyzing results
Analyzing results
What is the difference between quantitative and qualitative variables?
Quantitative = numerical variables
Qualitative = letter/quality variables
What should you do with unused lab materials?
List the steps of the scientific method in order.
hypothesis------publish results-------draw conclusions
----------question-------collect data/experiment-------research-------analyze data
1. Question
2. Research
3. Hypothesis
4. Collect data
5. Analyze data
6. Draw conclusions
7. Publish results
Which of the following is not used to transfer materials: Funnel, forceps, scoopula, pipette
Pipette
Colors in the sky is a ________ variable.
Quantitative vs qualitative.
Qualitative