Page 14 - 新思维科学活动用书5 样章

1.3 How seeds are spread

Challenge

Ahmed and Yaseen investigated seed dispersal. They collected three different seeds.

They dropped each seed three times and measured how long it stayed in the air each

time. These are their results.

Time in the Time in the Time in the Average time
Seed air Reading 1 air Reading 2 air Reading 3 in the air
(seconds) (seconds) (seconds) (seconds)

Seed 1

9 10 11 10

Seed 2

20 22 24 22

Seed 3

15 14 7 12

6 How were the seeds in the investigation dispersed? Give a reason for your answer.

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