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August 30, 2014

Homework Help: Biology help please!

Posted by Michelle on Thursday, September 27, 2007 at 7:50pm.

Okay for this i have to pick a hypothesis and prediction, and then write a paper, which one should i pick???

Observation: Have you ever noticed if you place a plant near a window, that after a while, the plant grows or leans toward the window?

Question: Have you ever wondered why the plant grows toward the window?

Hypothesis: What reasons or factors can you list that might cause a plant to lean or grow toward a window? For example, do you think that
plants like Microsoft products
plants catch a virus from the window, and that makes them lean toward the window
plants respond to the glass from which they absorb some needed nutrient
plants respond to the light which they need to make their food
plants respond to fresh air leaking in the window
plants are attracted to the plants outside the window

Prediction: If it is true that and I
grow a plant in front of my computer
grow a plant in front of a PC and one in front of a Mac
grow three plants in front of a PC and three in front of a Mac
grow a plant under a light
grow three plants under a light
grow a plant under a regular light and one under a red light
grow one plant with no added fertilizer and another with 1 T of fertilizer added
grow a plant in the dark
grow a plant in a glass cube in the dark
grow three plants under a light and three plants in the dark
grow three plants with a light to the left of them and three plants with a light to the right of them
grow three plants with a light to the left of them and a piece of glass to the right
grow three plants with light to the left and glass to the right and three more with light to the right and glass to the left
grow three plants with glass on the left and a fan on the right
grow three plants with a light to the left and glass to the right and three plants in the dark with glass on the right
grow three plants with a light to the left and a fan on the right
grow three plants with light to the left and glass to the right and three more with a fan to the left and other plants to the right
grow three plants with other plants on the left and glass on the right and three others with plants on the right and glass on the left
grow three plants outdoors in fresh air and three plants indoors
grow three plants with glass on the left and three with glass on the right
grow 100 plants in 20 C air and 100 plants in 37 C air, and 50 of each have light to the left while the other 50 of each have glass to the left
grow three plants in glass cubes in the light and three plants in glass cubes in the dark
grow three plants on motorized turntables with a light to one side and three plants that are stationary with a light to one side
grow three plants on motorized turntables with glass on one side and three plants that are stationary with glass on one side
grow ten plants in one greenhouse and ten more plants, each in an individual greenhouse

then I should see a difference or change in the
soil nutrients
leaf color
number of leaves
length of the stem
number of blossoms
direction the plant is growing/leaning

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