Keywords: germination, seed, second grade

This essay is for: second grade

Essay Source:

This is a 350-word essay on "Math Diary --Seed Germination".

Math Diary - Seed Germination

On the first day, I put 50 red beans and 50 mung beans into each of the two cups containing water;

On the second day, I went to observe, and found that the mung beans began to germinate, and 42 out of the 50 mung beans had germinated, and 8 had not. Then the germination rate of mung beans is:

Mung bean germination rate =×100%

=0.84×100%

=84%

The third day, I observed that the red beans are also beginning to germinate, 46 of the 50 red beans have been germinated, 4 did not germinate. Then the germination rate of red beans is:

Red bean germination rate=×100%

=0.92×100%

=92%

I used the table to count the following:

Category

Number of test seeds

Number of germinated seeds

Germination rate

Mung beans

50

42

84%

Red beans

50

46

92%

How about the hands-on approach to experimentation that gave me a firm grasp of germination rates? If you don't believe me, give it a try.