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Showing revision 2
Part I :
Define the following words.
1. Qualitative measurement:
2. Quantitative measurement
3. Accuracy
4. Precision
5. Dependent variable
6. Independent variable
7. Controlled variable
8. Kinetic Molecular theory (KMT)
9. Density:
10. Hypothesis:
Part II :
Answer the following question using a clear and concise manner using appropriate words from the chapter.
1. A police officers look at a car going by. Give an observation that the officer could give and indicate if it quantitative or qualitative?
2. A farmer is looking at one of its field. Give an observation that the officer could give and indicate if it quantitative or qualitative?
3. What are the two pieces of information that is provided when one use significant figures to determine a measurement.
a.
b.
4. What is "word" for base unit of time?
5. What is the symbol of base unit of temperature?
6. What is "word" for base unit of mass?
7. What is the symbol of base unit of length?
8. What is the "word" for the base unit of amount of substance?
9. In the metric system, what is the symbol for 1000 ?
10. In the metric system, what is the word for 1/100 (or 100small things = 1 big)
11. In the metric system, what is the symbol for 1/1000 (or 1000small things= 1 big).
12. Ine the metric system, what is the word for 1/10 (or 10small things =1 big)
13.