LESSON 8.1 · SC.3.L.14.1
Roots and Stems
Learning goal: Describe how roots and stems support plant survival.
What to know
- Roots anchor a plant and absorb water and nutrients.
- Stems support leaves and flowers.
- Stem tissues transport water and nutrients through the plant.
WATCH & NOTICE
How Does a Seed Become a Plant?
From SciShow Kids
Identify each plant structure and the job it performs as the seed grows.
Open video on YouTube ↗Think like a scientist
Colored water moving up a celery stem can make the transport pathway visible.
ROOT & STEM TRANSPORT LAB
Follow water through a plant
Place a celery model in colored water and advance time. The color traces the route water takes through the stem toward the leaves.
Rootsanchor a plant and absorb waterStemsupports leaves and transports materialsTransportmovement from one place to another
Colored water
LeavesStem tubesCut stemWater
Observation at 0 hours: colored water is only in the cup. Move the time slider to begin.
Model note: color makes the pathway easier to see; a real celery investigation takes time and should be recorded with drawings or photographs.
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