Show:
Lab Tools
Scientific Method
Observations
Units
Odds & Ends
100
What tool is used to measure mass
Triple beam balance
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
Define observation
A fact based upon what you can see, feel, smell, taste, hear
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
Which type of variable do you change in an experiment?
Independent
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 length and 2 customary length units
Metric: centimeter, meter, kilometer Customary: inch, foot, yard, mile
300
Define inference
A guess based on an observation
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 units of metric mass and one unit of customary mass
Metric: grams, kilograms, milligrams Customary: slug
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 one unit of metric weight and two units of customary weight
Metric: Newton Customary: ounces, pound, ton
500
Define controlled variable
What you prevent from changing