Lab Tools
Scientific Method
Observations
Units
Odds & Ends
100
What tool is used to transfer liquid through a small opening.
A funnel
100
In which step do you test your hypothesis?
Experiment
100
What type of observation is color?
Qualitative
100
What are the two systems of measurement?
Metric and Customary
100
Why should you wear your safety gear (goggles)?
To protect yourself from getting hurt
200
Name a tool used for mixing chemicals.
Test tube
200
In which step do you answer your question based on your data analysis?
Conclusion
200
What kind of observation is volume?
Quantitative
200
Name three units of time
Hour, minute, second
200
What should be done to prevent unintended, potentially dangerous, results?
Follow procedures
300
What is the purpose of a beaker?
To hold, measure, and pour liquids
300
What does a problem or question define?
What you want to find out
300
Name two examples of qualitative observations
Color, texture/feel, shape, taste, sound
300
Name 2 metric volume and 2 customary volume units
Metric: milliliter, liter, cubic centimeter Customary: gallon, quart, pint, cup, fluid ounce, cubic inch
300
What is the variable that you change in an experiment?
Independent
400
What is the purpose of a graduated cylinder?
To measure liquid volume
400
What is a hypothesis?
An educated guess based on your research
400
Define quantitative observation
A measurement with a number and units
400
Name two metric length and two customary length units
Metric: meter, centimeter, kilometer Customary: inch, foot, yard, mile
400
Define dependent variable
The variable that changes because of the independent variable
500
What is the purpose of a pipette?
To transfer small amounts of liquid
500
What do you do during the analyze data step?
Organize your observations
500
Define qualitative observation
A description of what you see (feel, taste, hear, smell)
500
Name 2 metric area and 2 customary area units
Metric: square meter, square kilometer Customary: sq. inch, sq. mile, sq. foot
500
Define controlled variable
What you prevent from changing
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