1. Qualitative and Quantitative Observations

2. DO NOW:
e. ______________________________ (sllme)

3. How would you describe this bag of Takis to someone who was blind?
Teacher: Bring your own bag of Takis and pour it out on a plate so they have the chance to mention chip count.

4. Making Observations
There are two different types of observations – quaLitative observations and quaNtitative observations.

5. QuaLitative observations describe the quality of something using words.
Definition
What do I use to make it?
Example
Qualitative Observations

6. Definition
What do I use to make it?
Example
Qualitative Observations

7. What do I use to make QuaLitative observations?
My 5 senses:
This taki is red.
This taki is spicy.
This taki feels rough.

8. QuaNtitative Observations
Quantitative observations describe the quantity of something.

9. How do I make QuaNtitative observations…….
By using numbers and units:
I have 3 camels.
My book weighs 10 pounds
Teacher: A way scholars can remember that quantitative observations involve numbers is by pointing out the letter “N” in quaNtitative and the letter N in numbers!

10. Checkpoint
How does a person observe quantitative data?

11. Whiteboards
-Everyone must participate -You may only work on the problem we are answering -Hold up the boards when I count down, “3-2-1” -If you raise it up too early …

12. Qualitative or Quantitative?
1. The beaker has a blue liquid in it.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

13. Qualitative or Quantitative?
1. The beaker has a blue liquid in it.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

14. Qualitative or Quantitative?
2)The water level rose 4 centimeters when the blue liquid was added.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

15. Qualitative or Quantitative?
2)The water level rose 4 centimeters when the blue liquid was added.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

16. Qualitative or Quantitative?
3) The temperature difference was ten degrees Celcius.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

17. Qualitative or Quantitative?
3) The temperature difference was ten degrees Celcius.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

18. Qualitative or Quantitative?
4) The smoke changed from white to red.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

19. Qualitative or Quantitative?
4) The smoke changed from white to red.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

20. Qualitative or Quantitative?
5) The rose had 10 thorns.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

21. Qualitative or Quantitative?
5) The rose had 10 thorns.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

22. Qualitative or Quantitative?
6) The soda can crumpled with a large popping sound.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

23. Qualitative or Quantitative?
6) The soda can crumpled with a large popping sound.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

24. Qualitative or Quantitative?
7) Ms. Wu can do a total of 5 push ups.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

25. Qualitative or Quantitative?
7) Ms. Wu can do a total of 5 push ups.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

26. Qualitative or Quantitative?
8)There was less water in the bottle after the experiment.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

27. Qualitative or Quantitative?
8)There was less water in the bottle after the experiment.
Make sure they write out the full word on whiteboards so they get practice with the spelling.

28. Quick Check: What type of observation do you think is more scientific and why?
Qualitative or Quantitative?

29. THIS IS TOO EASY!!!!!! Lets try something a little more challenging…..

30. Make one qualitative observation about the picture below
Make one qualitative observation about the picture below. Explain why this is a qualitative observation.

31. Make one quantitative observation about the picture below
Make one quantitative observation about the picture below. Explain why this is a quantitative observation.

32. Make one qualitative observation about the picture below
Make one qualitative observation about the picture below. Explain why this is a qualitative observation.

33. Make one quantitative observation about the picture below
Make one quantitative observation about the picture below. Explain why this is a quantitative observation.

34. Stations Activity: You will be divided into groups of 4.
Each person in the group will be responsible for a different job.
Read the methods posted at each station and follow the instructions.

35. EXIT TICKET!!!!
Identify the following observations as either qualitative or quantitative.
Small bubbles formed
It smelled sour
It felt wet
12 mL of water was lost
It took 15 seconds to change color

36. Using your knowledge of quantitative and qualitative observations, explain why this comic is funny: