1. Focus Event
Collect a shell and an index card from the front of the room.
On the index card, write at least 3 observations about your shell.

2. Ms. Hanlon’s Science Classes
Precise Observations
Ms. Hanlon’s
Science Classes

3. Objectives
Differentiate between qualitative and quantitative analysis.
Make quality observations and ask testable questions.

4. Quantitative Observations
Deals with numbers
Data which can be measured
Can be repeated/verified
Objective (factual)
Length, height, area, volume, weight, speed, time, temperature, humidity, sound levels, cost, members, etc.
Quantitative → Quantity 

5. Caution Not all numbers are quantitative: Sometimes: Drivers license
SSN
Sometimes:
Year
Age

6. Qualitative Observations
Deals with descriptions
Data can be observed but not measured
Can not necessarily be repeated/verified
Subjective (opinion)
Colors, textures, smells, tastes, appearance, beauty, etc.
Qualitative → Quality

7. A Quantitative Latte Weighs 12 ounces Serving temperature 150º F.
Serving cup 7 inches in height
Cost $4.95

8. A Qualitative Latte robust aroma frothy appearance strong taste
clear cup

9. Quantitative vs. Qualitative
Which type of observation do you think is best? Why?
Which is more scientific? Which is more artistic? Can you have both at once?
Can we turn a qualitative observation into a quantitative observation? If so, how?

10. Homework
Complete the worksheet on quantitative vs. qualitative observations.

11. Classwork Get in groups by number assigned.
Complete the worksheet problem assigned to your group.
Choose two people in your group to present to the class:
one to explain the scenario (summarize, do not read)
one to explain the answer.

12. Ticket Out The Door Write your name on an index card.
Respond to the following prompt:
Your task is to explain to a 5th grade student the difference between qualitative and quantitative observation without actually using the two terms.