All Science Fair Projects

Over 1000 FREE Science Fair Project Ideas!

Topics  > Biology > Botany

Effect of caffeine on plant growthFeatured science projectScience project video

Observation

The results show that the mung bean plants grew faster when they were watered using the coffee mixture, but the growth was slower when the plants were watered using the caffeine solution.

Solution Height of mung bean plants (mm)
  1 2 3 4 5 6 7 8 9 10
Water 38 46 53 61 68 77 85 92 99 107
Caffeine 37 43 48 52 56 59 62 65 68 71
Coffee 39 47 55 63 72 81 92 102 113 125

The above results were then plotted onto a graph, as shown below.

Mung beans caffeine science fair project

See our all-time most popular science projects
Search science fair projects Browse science fair projects
popular science fair projects
Complexity level:
5
Project cost ($):
40
Time required:
5 days for preparation, 10 days for experiment
Material availability:
Easily found
Safety concerns: