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Does the wavelength of light (R.O.Y.G.B.I.V) affect a plant'

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by

Jordan Pollard

on 29 September 2014

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Transcript of Does the wavelength of light (R.O.Y.G.B.I.V) affect a plant'

Does the wavelength of light (R.O.Y.G.B.I.V) affect a plant's growth?
Observations
Warmer, brighter colors of the rainbow are closer to the sun's rays.
If we put a plant in a room with an orange light source, then it will grow more efficiently than a plant exposed to other colors.
Variables
Independent Variable: All light sources
Dependent Variable: The plants conclusional height
Constants: Household fern plant, distance of the light to the plant, amount of water given to them, temperature of water, Temperature of room, and what time we water them.
The control group is the plant put under a regular house hold light.
It needs to be a house hold light because we're testing if other colors effect the growth, and household plants are used to regular lights.
We would get eight fern plants, and put them under red, orange, yellow, green, blue, indigo, violet, and white lights in the same room.
Keep the lights 2 feet away from the plants at all times during its growth.
Next, we would water them at 6 AM with one cup of room temperature water every other day, and keep them at 75 degrees or higher.
Then we would record their growth with a measuring stick on a clip board every Friday.
The last record of their heights would be after a full two months of testing.
Dark colors absorb too much light, therefore none would get to the plant.
Hypothesis
Control Group
Experiment
Data
At the end of the two months we will gather up our data. (Insert data here)
Materials
Eight fern plants
Eight lights (R.O.Y.G.B.I.V. & white light)
Room temperature water
Room that's 75 degrees or higher
Measuring stick
Clip board
Growth
cm
Light Bulb Colors
Why is it controlled?
It is controlled because we are keeping all variables the same except for the color of the light bulbs.
Research
What plants are the easiest to grow.
The requirements that the ferns need to stay alive such as amount of water and temperature of the room.
How far away the light source needs to be from the plant.
Full transcript