The Light It BurnsThe Light It Burns

K. LyneK. Lyne

C. Franks C. Franks

K. GonzalesK. Gonzales

C. ColosimoC. Colosimo

PurposePurpose

Will different amounts of sunlight Will different amounts of sunlight affect the way the plant grows?affect the way the plant grows?

HypothesisHypothesis

We think the plant on We think the plant on the back counter the back counter

will grow the most.will grow the most.

The plant that has full The plant that has full

sun will grow pretty sun will grow pretty well, and the plant well, and the plant under the box will under the box will

grow the least.grow the least.

MaterialsMaterials

3 styrofoam cups3 styrofoam cups 3 bean plants3 bean plants WaterWater Recording sheetRecording sheet PencilPencil Pen Pen FolderFolder NailNail Potting soilPotting soil Sunny windowSunny window Back counterBack counter BoxBox Measuring cupMeasuring cup

ProcedureProcedure

1)1) Gather all our materials.Gather all our materials.

2)2) Fill each cup half full with potting soil.Fill each cup half full with potting soil.

3)3) Place a bean plant’s roots into each Place a bean plant’s roots into each cup and continue to add soil until cup cup and continue to add soil until cup is almost full.is almost full.

4)4) Pack soil lightly with fingers.Pack soil lightly with fingers.

5)5) Poke a nail through the bottom sides Poke a nail through the bottom sides of each cup four times to allow of each cup four times to allow drainage.drainage.

6)6) Label each cup with a pen to identify Label each cup with a pen to identify group members.group members.

7)7) Label each cup with a pen. Write “full Label each cup with a pen. Write “full sun” on one cup, “back counter” on sun” on one cup, “back counter” on another, and “under box” on a third cup.another, and “under box” on a third cup.

8)8) Measure the starting height of each Measure the starting height of each plant and record on data sheet.plant and record on data sheet.

9)9) Water each plant every Monday, Water each plant every Monday, Wednesday, and Friday for four weeks.Wednesday, and Friday for four weeks.

10)10) Measure each plant every Monday for Measure each plant every Monday for four weeks and record on data sheet.four weeks and record on data sheet.

11)11) Take final measurements on the fourth Take final measurements on the fourth week.week.

Variable and Variable and ControlsControls

Different amounts Different amounts of sunlight. of sunlight.

Same SoilSame Soil Same amount of Same amount of

waterwater Same type of Same type of

liquidliquid Same amount of Same amount of

soilsoil Same kind of Same kind of

plantplant

ResultsResults

The plant on the back counter grew the most, and it The plant on the back counter grew the most, and it grew 13 1\2 cm. The plant that had full sunlight grew grew 13 1\2 cm. The plant that had full sunlight grew pretty well, and it grew 13 cm.pretty well, and it grew 13 cm.

The plant under the box grew the least, and it grew 10 The plant under the box grew the least, and it grew 10 cm.cm.

Bean Plant Growth

0

2

4

6

8

10

12

14

16

Full Sun Back Counter Under Box

Amount of Sunlight

Len

gth

in

Cen

tim

eter

s

ConclusionConclusion

We learned that plants need sunlight to grow. We learned that plants need sunlight to grow. Even though the plant on the back counter Even though the plant on the back counter grew the most, it was not as green and grew the most, it was not as green and healthy as the one that got full sun, as you healthy as the one that got full sun, as you can see. This supports our hypothesis.can see. This supports our hypothesis.