Testable QuestionTestable Question: If Brassica Rapa plants are : If Brassica Rapa plants are grown in a microgravity environment, will it grown in a microgravity environment, will it affect the amount of fruit produced, the height of affect the amount of fruit produced, the height of the stems, the amount of leaves, the angle of the the stems, the amount of leaves, the angle of the stem, and the root hairs?stem, and the root hairs?

HypothesisHypothesis: The plants affected by the : The plants affected by the independent variable will have a greater amount independent variable will have a greater amount of fruit, the plants will be taller, the amount of of fruit, the plants will be taller, the amount of leaves will increase, the angle of the stem will leaves will increase, the angle of the stem will decrease, and increase the amount of root hairsdecrease, and increase the amount of root hairs

MicrogravityMicrogravityTravis HendershotJosh Denmeade

Experiment Number 1Experiment Number 1

For this experiment:For this experiment:

Plants grew in a horizontal systemPlants grew in a horizontal system

Grown in Film CanGrown in Film Can

Grown for 6-7 daysGrown for 6-7 days

Dependent Variable(s):Dependent Variable(s):

Root Hairs (Amount)Root Hairs (Amount)

Direction of Root GrowthDirection of Root Growth

Microgravity

Experiment Number 2For this experiment:For this experiment:

Plants grew in a vertical systemPlants grew in a vertical system

Plants grew in bottle growing Plants grew in bottle growing systemsystem

Plants grew for 37 daysPlants grew for 37 days

Dependent Variable(s)Dependent Variable(s)

Height, Angle of Stem, Amount of Height, Angle of Stem, Amount of fruit, Amount of Leavesfruit, Amount of Leaves

Microgravity

The Height of Fast Plants in Microgravity

0

1

2

3

4

5

6

7

8

9

1 2 3 4 5 6

Weeks

He

igh

t in

cm

Microgravity

Control

This graph shows that the height of the plants in micro-gravityThis graph shows that the height of the plants in micro-gravity was shorter than that of the control plants. This means thewas shorter than that of the control plants. This means the plants did not grow as well in micro-gravity.plants did not grow as well in micro-gravity.

The Variations of the Stem Angle of Fast Plants in Microgravity

0

10

20

30

40

50

60

70

80

1 2 3 4 5 6

Weeks

An

gle

in

de

gre

es

Microgravity

Control

This graph shows that the stem angles of the plants in micro-gravityThis graph shows that the stem angles of the plants in micro-gravity were less than the angles of the control plants. This was probablywere less than the angles of the control plants. This was probably due to disorientation of the plantdue to disorientation of the plant

The Amount of Leaves on Fast Plants in Microgravity

0

1

2

3

4

5

6

7

8

1 2 3 4 5 6

Weeks

Am

ou

nt

of

lea

ve

s

Microgravity

Control

This graph shows that the amount of leaves of the plants This graph shows that the amount of leaves of the plants were relatively the same. This shows that despite the were relatively the same. This shows that despite the fact that some of the plants may have been impaired, fact that some of the plants may have been impaired, they still went through their life cycle.they still went through their life cycle.

The Amount of Seeds of Fast Plants in Microgravity and Gravity

0

2

4

6

8

10

12

Microgravity Control

Type of Gravity

Am

ount

of

See

ds

Series1

This graph shows that the control was successfully going This graph shows that the control was successfully going through the process of reproduction while the microgravity’s through the process of reproduction while the microgravity’s did not.did not.

Results-1stResults-1st Root hairsRoot hairs• grew to changing sense of gravity grew to changing sense of gravity

Direction of RootsDirection of Roots• grew to changing grew to changing sense of gravitysense of gravity

Control Microgravity

Results-2ndResults-2ndHeightHeight

•didn’t grow as welldidn’t grow as wellLeavesLeaves

•able to go through able to go through lifecyclelifecycle

Angle of StemAngle of Stem•plants curved to gravityplants curved to gravity

Size of fruitSize of fruit

•wasn’t able to wasn’t able to reproduce as wellreproduce as well

Control

Microgravity

ConclusionConclusion

Complete life cycleComplete life cycle

2nd generation may 2nd generation may not not developdevelop