🔬 ScienceLevel 1Lesson 33
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Plant Observation Journal

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Learning Objectives

  • 1Observe a real plant over several days, recording changes using sketches and descriptions in a science journal
  • 2Apply knowledge about plant parts and what plants need to grow
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Mini Lesson

Real scientists do not just read about the world — they go out and observe it. A science journal is how they record what they see, measure, and notice over time.

What is scientific observation?

  • Observation means looking carefully and recording exactly what you see — not what you think will happen, but what is actually there.
  • Good observers use all their senses: look at shape and color, feel the texture, smell the leaves.
  • Sketch + label + date = a complete journal entry.

What to record in your plant journal

  • The date of each observation — so you can see how the plant changed over time.
  • A sketch of the plant — include roots, stem, leaves, and any flowers.
  • The height of the plant if it is growing from a seed.
  • The color and condition of the leaves — green and healthy, or yellowing?
  • Any changes from the last observation — new leaves, a new bud, bent stem.

Connecting to plant science

  • Roots absorb water and anchor the plant in soil.
  • The stem carries water up to the leaves.
  • Leaves catch sunlight and make food for the plant through photosynthesis.
  • Plants need sunlight, water, air, and soil to grow.
Plant observation journal pageA journal page mock-up with a date line at the top, a sketch area for drawing the plant, a ruler for measuring its height, and lines under a "What I saw" heading for written notes.My Plant JournalDate:SketchheightWhat I sawChanges:I wonder...
A journal page — date, sketch, height, and notes.
A plant's growth over two weeksA horizontal timeline from Day 1 to Day 14. Day 1 shows a seed underground, Day 3 a small sprout breaking the soil, Day 7 a plant with two green leaves, Day 14 a taller plant with a flower on top. Arrows point forward between each stage.Growth Over Two WeeksDay 1seedDay 3sproutDay 7leavesDay 14flowerObserve. Sketch. Date. Repeat.
Seed to flower — tracked day by day.
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Ask yourself: "What has changed since my last observation? What part of the plant is doing the most work today?"

Vocabulary
Observation
Looking carefully and writing down exactly what you seee.g. I made an observation about my plant.
Journal
A book where you record what you see day by daye.g. I write in my plant journal.
Sketch
A simple drawing of what you seee.g. I sketched the leaves in my journal.
Record
To write down something so you can read it latere.g. I record the date of each observation.
Compare
To look for what is the same and differente.g. I compare today's sketch with yesterday's.
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