Different LiquidsDifferent Liquids

• R. BackR. Back• G. MickG. Mick• K. PlushK. Plush

PurposePurpose

• Do different types of liquids affect the Do different types of liquids affect the plants more than water?plants more than water?

HypothesisHypothesis

• The plant that was watered with pop will The plant that was watered with pop will die, and the plants that were watered die, and the plants that were watered with milk and water will grow the same.with milk and water will grow the same.

MaterialsMaterials

• 3 bean plants3 bean plants• 3 Styrofoam cups3 Styrofoam cups• potting soilpotting soil• 1 nail1 nail• 3 bowls3 bowls• 3 recording sheets3 recording sheets• folderfolder• penpen

• pencilpencil• poppop• milkmilk• waterwater• rulerruler

ProcedureProcedure

1.1. Gather all materials. Gather all materials.

2.2. Fill each Styrofoam cup ½ full with potting soil.Fill each Styrofoam cup ½ full with potting soil.

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

4.4. Pack soil lightly with your fingersPack soil lightly with your fingers

5.5. Poke a nail through the bottom sides of each Poke a nail through the bottom sides of each cup 4 times to allow drainage.cup 4 times to allow drainage.

6.6. Label one cup A, label one B, and label one Label one cup A, label one B, and label one cup C. Then you label one cup “pop”, label one cup C. Then you label one cup “pop”, label one cup “milk”, and label one cup “water.” cup “milk”, and label one cup “water.”

ProcedureProcedure

7.7. Put a bowl under each cup to allow drainage.Put a bowl under each cup to allow drainage.8.8. Measure the starting heights of each plant in Measure the starting heights of each plant in

centimeters and record on a data sheet.centimeters and record on a data sheet.9.9. Water each plant on Monday, Wednesday, Water each plant on Monday, Wednesday,

and Friday as labeled on the cup with ¼ cup and Friday as labeled on the cup with ¼ cup of corresponding liquid.of corresponding liquid.

10.10. Measure the height of each plant in Measure the height of each plant in centimeters Mondays for 4 weeks, and record centimeters Mondays for 4 weeks, and record this height on the data sheet.this height on the data sheet.

Variables and ControlsVariables and Controls

• Type of Liquids.Type of Liquids. • Same sunny windowSame sunny window• Same soil typeSame soil type• Same amount of Same amount of

liquid liquid• Same amount of soilSame amount of soil• Same kind of plantSame kind of plant

ResultsResults

Bean Plant Growth

0

12

34

56

78

9

Milk Pop Water

Type of Liquids

Gro

wth

in

Ce

nti

me

ters

• The plant that received water grew 8 cm. That The plant that received water grew 8 cm. That was the tallest plant in our group. Both plants was the tallest plant in our group. Both plants that received pop and milk for watering grew 4 that received pop and milk for watering grew 4 cm. These plants grew the smallest in our cm. These plants grew the smallest in our group.group.

ConclusionConclusion

• We learned that plants need water We learned that plants need water instead of pop and milk because water instead of pop and milk because water helps plants grow strong and healthy.helps plants grow strong and healthy.

• This refutes our hypothesis.This refutes our hypothesis.