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067 biodome

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This document provides instructions for creating a biosphere in a plastic bottle by adding pebbles to the bottom, soil on top, making a trench to plant seeds in, covering the seeds with soil, watering until water collects in the pebbles below, sealing the bottle in a bag, and observing plant growth over time. The materials needed are a clear plastic bottle, pebbles, soil, seeds, water, a ruler, and large sealable storage bags or jars.

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067 BIODOME soil seeds
MATERIALS REQUIRED Clear 1 Liter Plastic Bottle Pebbles Soil Seeds Water Ruler Large sealable Storage Bags or jars
Add pebbles at the bottom of your plastic container. Next, add some soil on top of the pebbles. Create a trench about one fingertip deep in the soil. Sprinkle a pinch of seeds in it. Cover the seeds up with soil Water the seeds until you start to see water collecting down in the pebbles. Place the plastic container in a sealable bag and seal the bag. Observe and Record
067 biodome

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067 biodome

  • 2. MATERIALS REQUIRED Clear 1 Liter Plastic Bottle Pebbles Soil Seeds Water Ruler Large sealable Storage Bags or jars
  • 3. Add pebbles at the bottom of your plastic container. Next, add some soil on top of the pebbles. Create a trench about one fingertip deep in the soil. Sprinkle a pinch of seeds in it. Cover the seeds up with soil Water the seeds until you start to see water collecting down in the pebbles. Place the plastic container in a sealable bag and seal the bag. Observe and Record