Amazon precipitation
Students doing the Manaus, Brazil precipitation activity
Comparing/contrasting precipitation of students’ local region with a rainforest region
- Table 1: Calculating the mean
| Watsonville | Manaus, Brazil |
| Jan 113 mm | Jan 270 |
| Feb 123 | Feb 290 |
| Mar 92 | Mar 320 |
| Apr 43 | Apr 300 |
| May 15 | May 260 |
| June 2.8 | June 120 |
| July 0.25 | July 90 |
| Aug 0.51 | Aug 60 |
| Sept 5 | Sept 80 |
| Oct 28 | Oct 130 |
| Nov 70 | Nov 180 |
| Dec 108 | Dec 220 |
| Mean = | Mean = |
1. Determining the median
Watsonville:
Manaus:
2. Determining the mode
Watsonville:
Manaus:
- Table 2: Comparing values
| Watsonville | Manaus, Brazil |
| Mean = | Mean = |
| Median = | Median = |
| Mode = | Mode = |
Questions
1. When comparing the means, which region receives more precipitation? By how much?
2.List three reasons why (referring to question 1).
(a) ______________________________________________________
(b) ______________________________________________________
(c) _____________________________________________________
3. Which month received the most rain in Watsonville? Why?
4.Which month received the most rain in Manaus, Brazil? Why?
5. Which measure is more accurate: mean, median, or mode? Explain why?
6. Do you think Table 2 was helpful? What did you notice?
7. Do you think your graph is an appropriate one to use to represent your data in Table 1? Why?
8. Why are rainforests important?
Completed Student Examples :
5th Grade :
