Aquatic Science Bottle Biome Observation Experiment

Change in water level: 1 mm lower than last week

Algae Growth: none

Water Color Change: none

Plant growth: grass doesn’t seem to be growing much more

Indication of water cycle: there is now condensation in the bottom half of the bottle.

Change in water level: a few millimeters lower

Algae growth: None

Change in water color: None

Plant growth: the grass has grown longer and turned a darker green.

Indication of water cycle: lower water level and condensation present.

Change in water level: a few millimeters

Algae Growth: None

Water Color Changes: None

Plant Growth: The grass is more dense and longer than last week’s update.

Indication of water cycle: visible water droplets (condensation) in top half of bottle on plastic.

Algae Growth: None

Change in water level: lower by a few millimeters.

Plant Growth: grass seeds have germinated and sprouted and the grass is growing tall.

Water color change: None

Indication of water cycle: there is condensation in the top and bottom parts of the bottle.

Note: Skipped a day in hopes of germination of first grass seeds and noticeable change but nothing appears to have changed.

Change in water level: Nothing noticeable

Algae Growth: None

Plant Growth: None

Water Color Changes: None

Indication of Water Cycle: None

Today my partner and I set up the experiment by constructing a self sustaining ecosystem inside of combined pieces of plastic liter bottles. There is water and gravel at the bottom with a string to carry the water from the bottom up to the soil, which contains seeds for grass. We hope to see our first sprout by Friday.

My Name is Ethan Edwards, I am a junior at Hebron High School.

Over the next few months I will be documenting an experiment in which I try to create a self sustaining ecosystem and watch it change over time.

“Look deep into nature, and then you will understand everything better” – Albert Einstein