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Topics  > Biology > Botany

Ionizing radiation and plant growthFeatured science projectScience project video

Observation

The green beans that were exposed to  X-ray for 100 seconds did not germinate. However, the green beans that were given 1 second of X-ray exposure germinated and grew more quickly than the control beans without any radiation exposure.

Exposure time

X-ray exposure, seed germination and average growth height (mm)

Day 1

Day 2

Day 3

Day 4

Day 5

Day 6

Day 7

Day 8

None

0

0

0

3

8

15

25

38

1 sec

0

0

4

9

17

28

41

55

10 sec

0

0

0

0

0

2

5

9

100 sec

0

0

0

0

0

0

0

0

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Complexity level:
7
Project cost ($):
30
Time required:
1 hour to prepare, 8 days for the science project experiment
Material availability:
Easily found
Safety concerns:

None